diff --git a/app/api/dao/admin.py b/app/api/dao/admin.py
index 2f82b3a3b..c11732c82 100644
--- a/app/api/dao/admin.py
+++ b/app/api/dao/admin.py
@@ -39,7 +39,6 @@ def assign_new_user(user_id: int, data: Dict[str, str]):
         new_admin_user = UserModel.find_by_id(new_admin_user_id)
 
         if new_admin_user:
-
             if new_admin_user.is_admin:
                 return messages.USER_IS_ALREADY_AN_ADMIN, HTTPStatus.BAD_REQUEST
 
@@ -82,7 +81,6 @@ def revoke_admin_user(user_id: int, data: Dict[str, str]):
             return messages.USER_NOT_FOUND, HTTPStatus.NOT_FOUND
 
         if new_admin_user:
-
             if not new_admin_user.is_admin:
                 return messages.USER_IS_NOT_AN_ADMIN, HTTPStatus.BAD_REQUEST
 
diff --git a/app/api/dao/user.py b/app/api/dao/user.py
index 15d6f4e0d..dfbd422d7 100644
--- a/app/api/dao/user.py
+++ b/app/api/dao/user.py
@@ -89,7 +89,6 @@ def delete_user(user_id: int):
 
         # check if this user is the only admin
         if user.is_admin:
-
             admins_list_count = len(UserModel.get_all_admins())
             if admins_list_count <= UserDAO.MIN_NUMBER_OF_ADMINS:
                 return messages.USER_CANT_DELETE, HTTPStatus.BAD_REQUEST
diff --git a/app/api/resources/mentorship_relation.py b/app/api/resources/mentorship_relation.py
index 839bc4da8..b9df86e55 100644
--- a/app/api/resources/mentorship_relation.py
+++ b/app/api/resources/mentorship_relation.py
@@ -113,7 +113,6 @@ def post(cls):
 
     @staticmethod
     def is_valid_data(data):
-
         # Verify if request body has required fields
         if "mentor_id" not in data:
             return messages.MENTOR_ID_FIELD_IS_MISSING
diff --git a/app/api/resources/task.py b/app/api/resources/task.py
index 6160e390a..baa41a8f4 100644
--- a/app/api/resources/task.py
+++ b/app/api/resources/task.py
@@ -74,7 +74,6 @@ def post(cls, relation_id):
 
     @staticmethod
     def is_valid_data(data):
-
         if "description" not in data:
             return messages.DESCRIPTION_FIELD_IS_MISSING
 
diff --git a/app/database/models/mentorship_relation.py b/app/database/models/mentorship_relation.py
index 9054bd06f..d9976c6cb 100644
--- a/app/database/models/mentorship_relation.py
+++ b/app/database/models/mentorship_relation.py
@@ -69,7 +69,6 @@ def __init__(
         notes,
         tasks_list,
     ):
-
         self.action_user_id = action_user_id
         self.mentor = mentor_user
         self.mentee = mentee_user  # same as mentee_user.mentee_relations.append(self)
@@ -99,7 +98,6 @@ def json(self):
 
     @classmethod
     def find_by_id(cls, _id) -> "MentorshipRelationModel":
-
         """Returns the mentorship that has the passed id.
         Args:
              _id: The id of a mentorship.
diff --git a/requirements.txt b/requirements.txt
index 7ac2d2f31..7da37800c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,54 @@
+alembic==1.11.3
+aniso8601==9.0.1
 APScheduler==3.7.0
-coverage==5.5
-Flask==1.0.2
+attrs==23.1.0
+blinker==1.6.2
+cfgv==3.2.0
+click==7.1.2
+coverage==7.2.7
+distlib==0.3.7
+filelock==3.12.2
+Flask==1.1.4
 Flask-JWT-Extended==3.25.0
 Flask-Mail==0.9.1
 Flask-Migrate==2.5.3
-flask-restx==0.5.0
+flask-restx==1.1.0
+Flask-SQLAlchemy==2.5.1
 Flask-Testing==0.8.1
+greenlet==2.0.2
 gunicorn==20.0.4
-psycopg2-binary==2.8.6
+identify==2.5.24
+idna==3.4
+importlib-metadata==6.7.0
+importlib-resources==5.12.0
+itsdangerous==1.1.0
+Jinja2==2.11.3
+jsonschema==4.17.3
+jsonschema-specifications==0.1.3
+Mako==1.2.4
+MarkupSafe==2.0.1
+multidict==6.0.4
+mypy-extensions==1.0.0
+nodeenv==1.8.0
+packaging==23.1
+pathspec==0.11.2
+pkgutil_resolve_name==1.3.10
+platformdirs==3.10.0
+pre-commit==2.21.0
+psycopg2-binary==2.9.6
+PyJWT==1.7.1
+pyrsistent==0.19.3
 python-dotenv==0.18.0
+pytz==2023.3
+PyYAML==6.0.1
+referencing==0.8.9
 six==1.11.0
-pre-commit
+SQLAlchemy==1.4.0
+tomli==2.0.1
+typed-ast==1.5.5
+typing_extensions==4.7.1
+tzlocal==2.1
+virtualenv==20.24.3
+Werkzeug==1.0.1
+yarl==1.9.2
+zipp==3.15.0
diff --git a/tests/admin/test_dao.py b/tests/admin/test_dao.py
index 69d8e6637..f4c8e7366 100644
--- a/tests/admin/test_dao.py
+++ b/tests/admin/test_dao.py
@@ -16,7 +16,6 @@ class TestAdminDao(BaseTestCase):
     """
 
     def test_dao_assign_new_admin_valid_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -44,7 +43,6 @@ def test_dao_assign_new_admin_valid_user(self):
     """
 
     def test_dao_assign_new_admin_by_normal_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -73,7 +71,6 @@ def test_dao_assign_new_admin_by_normal_user(self):
     """
 
     def test_dao_assign_admin_role_to_non_existing_user(self):
-
         dao = AdminDAO()
 
         data = dict(user_id=123)
@@ -89,7 +86,6 @@ def test_dao_assign_admin_role_to_non_existing_user(self):
     """
 
     def test_dao_assign_admin_role_to_admin_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -122,7 +118,6 @@ def test_dao_assign_admin_role_to_admin_user(self):
     """
 
     def test_dao_assign_admin_role_to_myself(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -155,7 +150,6 @@ def test_dao_assign_admin_role_to_myself(self):
     """
 
     def test_dao_revoke_admin_role_to_valid_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -184,7 +178,6 @@ def test_dao_revoke_admin_role_to_valid_user(self):
     """
 
     def test_dao_revoke_admin_role_by_non_admin_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
@@ -211,7 +204,6 @@ def test_dao_revoke_admin_role_by_non_admin_user(self):
     """
 
     def test_dao_revoke_admin_role_to_non_existing_user(self):
-
         dao = AdminDAO()
 
         data = dict(user_id=123)
@@ -227,7 +219,6 @@ def test_dao_revoke_admin_role_to_non_existing_user(self):
     """
 
     def test_dao_revoke_admin_role_to_non_admin_user(self):
-
         dao = AdminDAO()
 
         user = UserModel(
diff --git a/tests/cron_job_functions/test_mentorship_completion_cron.py b/tests/cron_job_functions/test_mentorship_completion_cron.py
index ac8cabfb5..983b5fb14 100644
--- a/tests/cron_job_functions/test_mentorship_completion_cron.py
+++ b/tests/cron_job_functions/test_mentorship_completion_cron.py
@@ -15,7 +15,6 @@
 
 
 class TestCompleteMentorshipRelationCronFunction(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
@@ -105,7 +104,6 @@ def get_test_app(self):
 
     @patch("run.application", side_effect=get_test_app)
     def test_complete_mentorship_relations_accepted(self, get_test_app_fn):
-
         self.assertEqual(
             MentorshipRelationState.ACCEPTED, self.mentorship_relation_1.state
         )
diff --git a/tests/mentorship_relation/relation_base_setup.py b/tests/mentorship_relation/relation_base_setup.py
index da53ab76b..6726e8c7d 100644
--- a/tests/mentorship_relation/relation_base_setup.py
+++ b/tests/mentorship_relation/relation_base_setup.py
@@ -5,7 +5,6 @@
 
 
 class MentorshipRelationBaseTestCase(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_api_cancel_relation.py b/tests/mentorship_relation/test_api_cancel_relation.py
index 588bf12b3..01345a4aa 100644
--- a/tests/mentorship_relation/test_api_cancel_relation.py
+++ b/tests/mentorship_relation/test_api_cancel_relation.py
@@ -13,7 +13,6 @@
 
 
 class TestCancelMentorshipRelationApi(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_api_delete_request.py b/tests/mentorship_relation/test_api_delete_request.py
index 406d2a422..8a52e44c7 100644
--- a/tests/mentorship_relation/test_api_delete_request.py
+++ b/tests/mentorship_relation/test_api_delete_request.py
@@ -13,7 +13,6 @@
 
 
 class TestDeleteMentorshipRequestApi(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_api_list_relations.py b/tests/mentorship_relation/test_api_list_relations.py
index 63d818eb6..c38222e20 100644
--- a/tests/mentorship_relation/test_api_list_relations.py
+++ b/tests/mentorship_relation/test_api_list_relations.py
@@ -15,7 +15,6 @@
 
 
 class TestListMentorshipRelationsApi(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_api_reject_request.py b/tests/mentorship_relation/test_api_reject_request.py
index 1dbba8f57..3c5538719 100644
--- a/tests/mentorship_relation/test_api_reject_request.py
+++ b/tests/mentorship_relation/test_api_reject_request.py
@@ -13,7 +13,6 @@
 
 
 class TestRejectMentorshipRequestApi(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_dao_accept_request.py b/tests/mentorship_relation/test_dao_accept_request.py
index 3077f6a8a..d0f3b0d60 100644
--- a/tests/mentorship_relation/test_dao_accept_request.py
+++ b/tests/mentorship_relation/test_dao_accept_request.py
@@ -14,7 +14,6 @@
 
 
 class TestMentorshipRelationAcceptRequestDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_dao_cancel_relation.py b/tests/mentorship_relation/test_dao_cancel_relation.py
index 084e92076..f4644b51d 100644
--- a/tests/mentorship_relation/test_dao_cancel_relation.py
+++ b/tests/mentorship_relation/test_dao_cancel_relation.py
@@ -13,7 +13,6 @@
 
 
 class TestMentorshipRelationListingDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_dao_creation.py b/tests/mentorship_relation/test_dao_creation.py
index 2b0d74c54..35ad71c5b 100644
--- a/tests/mentorship_relation/test_dao_creation.py
+++ b/tests/mentorship_relation/test_dao_creation.py
@@ -12,7 +12,6 @@
 
 
 class TestMentorshipRelationCreationDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     def setUp(self):
         super().setUp()
@@ -160,7 +159,6 @@ def test_dao_create_mentorship_relation_with_non_existent_mentee(self):
         self.assertIsNone(query_mentorship_relation)
 
     def test_dao_create_mentorship_relation_with_mentee_already_in_relation(self):
-
         self.mentorship_relation = MentorshipRelationModel(
             action_user_id=self.admin_user.id,
             mentor_user=self.admin_user,
@@ -196,7 +194,6 @@ def test_dao_create_mentorship_relation_with_mentee_already_in_relation(self):
         self.assertTrue(1, len(query_mentorship_relations))
 
     def test_dao_create_mentorship_relation_with_mentor_already_in_relation(self):
-
         self.mentorship_relation = MentorshipRelationModel(
             action_user_id=self.admin_user.id,
             mentor_user=self.admin_user,
diff --git a/tests/mentorship_relation/test_dao_delete_request.py b/tests/mentorship_relation/test_dao_delete_request.py
index a8ddcd7f9..d78580afe 100644
--- a/tests/mentorship_relation/test_dao_delete_request.py
+++ b/tests/mentorship_relation/test_dao_delete_request.py
@@ -13,7 +13,6 @@
 
 
 class TestMentorshipRelationDeleteDAO(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
@@ -69,7 +68,6 @@ def setUp(self):
         db.session.commit()
 
     def test_dao_delete_non_existing_mentorship_request(self):
-
         result = MentorshipRelationDAO.delete_request(self.first_user.id, 123)
 
         self.assertEqual(
@@ -83,7 +81,6 @@ def test_dao_delete_non_existing_mentorship_request(self):
         )
 
     def test_dao_sender_does_not_exist(self):
-
         result = MentorshipRelationDAO.delete_request(123, self.mentorship_relation.id)
 
         self.assertEqual((messages.USER_DOES_NOT_EXIST, HTTPStatus.NOT_FOUND), result)
@@ -94,7 +91,6 @@ def test_dao_sender_does_not_exist(self):
         )
 
     def test_dao_receiver_tries_to_delete_mentorship_request(self):
-
         result = MentorshipRelationDAO.delete_request(
             self.second_user.id, self.mentorship_relation.id
         )
@@ -126,7 +122,6 @@ def test_dao_sender_delete_mentorship_request(self):
         )
 
     def test_dao_user_not_involved_tries_to_delete_mentorship_request(self):
-
         result = MentorshipRelationDAO.delete_request(
             self.admin_user.id, self.mentorship_relation.id
         )
diff --git a/tests/mentorship_relation/test_dao_list_relations.py b/tests/mentorship_relation/test_dao_list_relations.py
index d21745333..c8d95ba96 100644
--- a/tests/mentorship_relation/test_dao_list_relations.py
+++ b/tests/mentorship_relation/test_dao_list_relations.py
@@ -12,7 +12,6 @@
 
 
 class TestListMentorshipRelationsDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     def setUp(self):
         super().setUp()
@@ -63,7 +62,6 @@ def setUp(self):
         db.session.commit()
 
     def test_dao_list_past_mentorship_relations(self):
-
         result = MentorshipRelationDAO.list_past_mentorship_relations(
             user_id=self.first_user.id
         )
@@ -74,7 +72,6 @@ def test_dao_list_past_mentorship_relations(self):
         self.assertEqual(expected_response, result[0])
 
     def test_dao_list_current_mentorship_relation(self):
-
         result = MentorshipRelationDAO.list_current_mentorship_relation(
             user_id=self.first_user.id
         )
@@ -91,7 +88,6 @@ def test_dao_list_non_existing_current_mentorship_relation(self):
         self.assertEqual(expected_response, result)
 
     def test_dao_list_pending_mentorship_relation(self):
-
         result = MentorshipRelationDAO.list_pending_mentorship_relations(
             user_id=self.first_user.id
         )
diff --git a/tests/mentorship_relation/test_dao_listing.py b/tests/mentorship_relation/test_dao_listing.py
index 190f968b7..0e85c4e6c 100644
--- a/tests/mentorship_relation/test_dao_listing.py
+++ b/tests/mentorship_relation/test_dao_listing.py
@@ -13,7 +13,6 @@
 
 
 class TestMentorshipRelationListingDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     def setUp(self):
         super().setUp()
diff --git a/tests/mentorship_relation/test_dao_reject_mentorship_request.py b/tests/mentorship_relation/test_dao_reject_mentorship_request.py
index 3e3776830..55cbc965d 100644
--- a/tests/mentorship_relation/test_dao_reject_mentorship_request.py
+++ b/tests/mentorship_relation/test_dao_reject_mentorship_request.py
@@ -13,7 +13,6 @@
 
 
 class TestMentorshipRelationListingDAO(MentorshipRelationBaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/mentorship_relation/test_database_model.py b/tests/mentorship_relation/test_database_model.py
index 886823f40..5cb5b40db 100644
--- a/tests/mentorship_relation/test_database_model.py
+++ b/tests/mentorship_relation/test_database_model.py
@@ -19,7 +19,6 @@
 
 
 class TestMentorshipRelationModel(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     def setUp(self):
         db.create_all()
diff --git a/tests/tasks/tasks_base_setup.py b/tests/tasks/tasks_base_setup.py
index 3d1f0faa2..945434aa6 100644
--- a/tests/tasks/tasks_base_setup.py
+++ b/tests/tasks/tasks_base_setup.py
@@ -10,7 +10,6 @@
 
 
 class TasksBaseTestCase(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 is the mentorship relation requester = action user
     # User 2 is the receiver
diff --git a/tests/tasks/test_api_complete_task.py b/tests/tasks/test_api_complete_task.py
index 4eb6ebf8c..9b67814f3 100644
--- a/tests/tasks/test_api_complete_task.py
+++ b/tests/tasks/test_api_complete_task.py
@@ -22,7 +22,6 @@ def test_complete_task_api_resource_non_auth(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_complete_task_api(self):
-
         relation = MentorshipRelationModel.find_by_id(
             self.mentorship_relation_w_second_user.id
         )
diff --git a/tests/tasks/test_api_create_task.py b/tests/tasks/test_api_create_task.py
index 1f92c0f3f..21b93f0f9 100644
--- a/tests/tasks/test_api_create_task.py
+++ b/tests/tasks/test_api_create_task.py
@@ -69,7 +69,6 @@ def test_create_task_api_resource_non_auth(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_full_task_creation_api(self):
-
         non_existent_task = self.tasks_list_1.find_task_by_id(3)
         self.assertIsNone(non_existent_task)
 
diff --git a/tests/tasks/test_api_delete_task.py b/tests/tasks/test_api_delete_task.py
index 18661d8bb..e69d40444 100644
--- a/tests/tasks/test_api_delete_task.py
+++ b/tests/tasks/test_api_delete_task.py
@@ -47,7 +47,6 @@ def test_delete_task_api_w_user_not_belonging_to_mentorship_relation_2(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_full_task_deletion_api(self):
-
         existent_task = self.tasks_list_1.find_task_by_id(2)
         self.assertIsNotNone(existent_task)
 
diff --git a/tests/tasks/test_api_list_tasks.py b/tests/tasks/test_api_list_tasks.py
index c057ae055..b0274f4bb 100644
--- a/tests/tasks/test_api_list_tasks.py
+++ b/tests/tasks/test_api_list_tasks.py
@@ -23,7 +23,6 @@ def test_list_tasks_api_resource_non_auth(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_list_tasks_api_first_mentorship_relation(self):
-
         auth_header = get_test_request_header(self.first_user.id)
         expected_response = marshal(self.tasks_list_1.tasks, list_tasks_response_body)
         actual_response = self.client.get(
@@ -37,7 +36,6 @@ def test_list_tasks_api_first_mentorship_relation(self):
         self.assertEqual(expected_response, json.loads(actual_response.data))
 
     def test_list_tasks_api_second_mentorship_relation(self):
-
         auth_header = get_test_request_header(self.first_user.id)
         expected_response = marshal(self.tasks_list_2.tasks, list_tasks_response_body)
         actual_response = self.client.get(
@@ -50,7 +48,6 @@ def test_list_tasks_api_second_mentorship_relation(self):
         self.assertEqual(expected_response, json.loads(actual_response.data))
 
     def test_list_tasks_api_w_user_not_belonging_to_mentorship_relation(self):
-
         auth_header = get_test_request_header(self.second_user.id)
         expected_response = messages.USER_NOT_INVOLVED_IN_THIS_MENTOR_RELATION
         actual_response = self.client.get(
@@ -63,7 +60,6 @@ def test_list_tasks_api_w_user_not_belonging_to_mentorship_relation(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_list_tasks_api_mentorship_relation_without_tasks(self):
-
         auth_header = get_test_request_header(self.second_user.id)
         expected_response = []
         actual_response = self.client.get(
diff --git a/tests/tasks/test_dao_complete_task.py b/tests/tasks/test_dao_complete_task.py
index 2029ffe88..bc79cbac6 100644
--- a/tests/tasks/test_dao_complete_task.py
+++ b/tests/tasks/test_dao_complete_task.py
@@ -33,7 +33,6 @@ def test_achieve_achieved_task(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_achieve_not_existent_task(self):
-
         expected_response = messages.TASK_DOES_NOT_EXIST, HTTPStatus.NOT_FOUND
         actual_response = TaskDAO.complete_task(
             self.first_user.id, self.mentorship_relation_w_second_user.id, 123123
diff --git a/tests/tasks/test_dao_create_task.py b/tests/tasks/test_dao_create_task.py
index e484dfe44..802caac4a 100644
--- a/tests/tasks/test_dao_create_task.py
+++ b/tests/tasks/test_dao_create_task.py
@@ -9,7 +9,6 @@
 
 class TestListTasksDao(TasksBaseTestCase):
     def test_create_task(self):
-
         expected_response = (
             messages.TASK_WAS_CREATED_SUCCESSFULLY,
             HTTPStatus.CREATED,
@@ -31,7 +30,6 @@ def test_create_task(self):
         self.assertEqual(self.test_is_done, new_task.get("is_done"))
 
     def test_create_task_with_non_existing_mentorship_relation(self):
-
         expected_response = (
             messages.MENTORSHIP_RELATION_DOES_NOT_EXIST,
             HTTPStatus.NOT_FOUND,
@@ -46,7 +44,6 @@ def test_create_task_with_non_existing_mentorship_relation(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_create_task_with_mentorship_relation_non_accepted_state(self):
-
         expected_response = (
             messages.UNACCEPTED_STATE_RELATION,
             HTTPStatus.FORBIDDEN,
@@ -62,7 +59,6 @@ def test_create_task_with_mentorship_relation_non_accepted_state(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_create_task_with_user_not_involved_in_mentorship(self):
-
         expected_response = (
             messages.USER_NOT_INVOLVED_IN_THIS_MENTOR_RELATION,
             HTTPStatus.FORBIDDEN,
diff --git a/tests/tasks/test_dao_delete_task.py b/tests/tasks/test_dao_delete_task.py
index 45783bb08..15c5f1d8d 100644
--- a/tests/tasks/test_dao_delete_task.py
+++ b/tests/tasks/test_dao_delete_task.py
@@ -8,7 +8,6 @@
 
 class TestDeleteTasksDao(TasksBaseTestCase):
     def test_delete_existent_task(self):
-
         expected_response = messages.TASK_WAS_DELETED_SUCCESSFULLY, HTTPStatus.OK
         first_task_id = 1
 
@@ -42,7 +41,6 @@ def test_delete_task_from_non_existing_relation(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_delete_non_existent_task(self):
-
         expected_response = messages.TASK_DOES_NOT_EXIST, HTTPStatus.NOT_FOUND
         actual_response = TaskDAO.delete_task(
             self.first_user.id, self.mentorship_relation_w_second_user.id, 123123
diff --git a/tests/tasks/test_dao_list_tasks.py b/tests/tasks/test_dao_list_tasks.py
index fcff6346d..4844f4a64 100644
--- a/tests/tasks/test_dao_list_tasks.py
+++ b/tests/tasks/test_dao_list_tasks.py
@@ -8,7 +8,6 @@
 
 class TestListTasksDao(TasksBaseTestCase):
     def test_list_tasks(self):
-
         expected_response = self.tasks_list_1.tasks
         actual_response = TaskDAO.list_tasks(
             self.first_user.id, self.mentorship_relation_w_second_user.id
@@ -17,7 +16,6 @@ def test_list_tasks(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_list_empty_tasks(self):
-
         expected_response = []
         actual_response = TaskDAO.list_tasks(
             self.admin_user.id, self.mentorship_relation_without_first_user.id
@@ -26,7 +24,6 @@ def test_list_empty_tasks(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_list_tasks_with_non_existent_relation(self):
-
         expected_response = (
             messages.MENTORSHIP_RELATION_DOES_NOT_EXIST,
             HTTPStatus.NOT_FOUND,
@@ -36,7 +33,6 @@ def test_list_tasks_with_non_existent_relation(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_list_tasks_with_non_existent_user(self):
-
         expected_response = messages.USER_DOES_NOT_EXIST, HTTPStatus.NOT_FOUND
         actual_response = TaskDAO.list_tasks(
             123123, self.mentorship_relation_w_second_user.id
@@ -45,7 +41,6 @@ def test_list_tasks_with_non_existent_user(self):
         self.assertEqual(expected_response, actual_response)
 
     def test_list_tasks_with_user_not_involved(self):
-
         expected_response = (
             messages.USER_NOT_INVOLVED_IN_THIS_MENTOR_RELATION,
             HTTPStatus.UNAUTHORIZED,
diff --git a/tests/tasks/test_tasks_list_database_model.py b/tests/tasks/test_tasks_list_database_model.py
index 27a2500d3..708bff677 100644
--- a/tests/tasks/test_tasks_list_database_model.py
+++ b/tests/tasks/test_tasks_list_database_model.py
@@ -23,7 +23,6 @@ def setUp(self):
         self.tasks_list_1.add_task(self.test_description_1, self.now_timestamp)
 
     def test_tasks_list_creation(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=1).first()
 
         self.assertIsNotNone(tasks_list_one)
@@ -32,7 +31,6 @@ def test_tasks_list_creation(self):
         self.assertEqual(1, tasks_list_one.id)
 
     def test_add_task_to_tasks_list(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=1).first()
 
         self.assertEqual([], tasks_list_one.tasks)
@@ -62,7 +60,6 @@ def test_add_task_to_tasks_list(self):
         self.assertEqual([expected_task_1, expected_task_2], tasks_list_one.tasks)
 
     def test_remove_task_from_tasks_list(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=1).first()
 
         self.assertEqual([], tasks_list_one.tasks)
@@ -84,7 +81,6 @@ def test_remove_task_from_tasks_list(self):
         self.assertEqual([], tasks_list_one.tasks)
 
     def test_remove_task_from_pre_filled_list(self):
-
         tasks_list_two = TasksListModel.query.filter_by(id=2).first()
 
         expected_task_1 = dict(
@@ -104,12 +100,10 @@ def test_remove_task_from_pre_filled_list(self):
         self.assertTrue(tasks_list_two.is_empty())
 
     def test_empty_tasks_list_function(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=1).first()
         self.assertTrue(tasks_list_one.is_empty())
 
     def test_find_task_by_id(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=1).first()
 
         expected_task_1 = dict(
@@ -142,7 +136,6 @@ def test_find_task_by_id(self):
         self.assertIsNone(found_task_3)
 
     def test_update_task(self):
-
         tasks_list_one = TasksListModel.query.filter_by(id=2).first()
         self.assertIsNotNone(tasks_list_one)
 
diff --git a/tests/test_app_config.py b/tests/test_app_config.py
index c16f6e614..4934f659d 100644
--- a/tests/test_app_config.py
+++ b/tests/test_app_config.py
@@ -36,7 +36,6 @@ def test_app_testing_config(self):
         )
 
     def test_get_bd_uri_function(self):
-
         expected_result = "db_type_example://db_user_example:db_password_example@db_endpoint_example/db_name_example"
         actual_result = BaseConfig.build_db_uri(
             db_type_arg="db_type_example",
diff --git a/tests/user_journey/test_happy_path_1.py b/tests/user_journey/test_happy_path_1.py
index dad631545..2ed156acd 100644
--- a/tests/user_journey/test_happy_path_1.py
+++ b/tests/user_journey/test_happy_path_1.py
@@ -57,7 +57,6 @@ def setUp(self):
         self.test_description = "A nice task description"
 
     def test_happy_path_1(self):
-
         mentor_auth_header = get_test_request_header(self.mentor.id)
         mentee_auth_header = get_test_request_header(self.mentee.id)
 
diff --git a/tests/user_journey/test_rejection_path.py b/tests/user_journey/test_rejection_path.py
index 2bcef3c83..6164931e3 100644
--- a/tests/user_journey/test_rejection_path.py
+++ b/tests/user_journey/test_rejection_path.py
@@ -60,7 +60,6 @@ def setUp(self):
         self.test_description = "A request for mentorship"
 
     def test_rejection_path(self):
-
         mentor_auth_header = get_test_request_header(self.mentor.id)
         mentee_auth_header = get_test_request_header(self.mentee.id)
 
diff --git a/tests/users/test_api_authentication.py b/tests/users/test_api_authentication.py
index b158292c1..65f36d984 100644
--- a/tests/users/test_api_authentication.py
+++ b/tests/users/test_api_authentication.py
@@ -15,7 +15,6 @@
 
 
 class TestProtectedApi(BaseTestCase):
-
     # User 1 which has email verified
     def setUp(self):
         super().setUp()
diff --git a/tests/users/test_api_login.py b/tests/users/test_api_login.py
index 876ff682d..3684cc656 100644
--- a/tests/users/test_api_login.py
+++ b/tests/users/test_api_login.py
@@ -18,7 +18,6 @@
 
 
 class TestUserLoginApi(BaseTestCase):
-
     # Setup consists of adding 2 users into the database
     # User 1 does not have email verified
     # User 2 has email verified
@@ -47,7 +46,6 @@ def setUp(self):
 
     def test_user_login_invalid_credentials(self):
         with self.client:
-
             response = self.client.post(
                 "/login",
                 data=json.dumps(
diff --git a/tests/users/test_api_refresh.py b/tests/users/test_api_refresh.py
index 3e406e7c0..d956c9bcf 100644
--- a/tests/users/test_api_refresh.py
+++ b/tests/users/test_api_refresh.py
@@ -13,7 +13,6 @@
 
 
 class TestUserRefreshApi(BaseTestCase):
-
     # User 1 which has email verified
     def setUp(self):
         super().setUp()
diff --git a/tests/users/test_api_update_user.py b/tests/users/test_api_update_user.py
index b57ac7f7c..de836d9a5 100644
--- a/tests/users/test_api_update_user.py
+++ b/tests/users/test_api_update_user.py
@@ -24,7 +24,6 @@ def test_update_user_api_resource_non_auth(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_update_username_already_taken(self):
-
         self.first_user = UserModel(
             name=user1["name"],
             email=user1["email"],
@@ -51,7 +50,6 @@ def test_update_username_already_taken(self):
         self.assertDictEqual(expected_response, json.loads(actual_response.data))
 
     def test_update_username_not_taken(self):
-
         self.first_user = UserModel(
             name=user1["name"],
             email=user1["email"],
@@ -80,7 +78,6 @@ def test_update_username_not_taken(self):
         self.assertEqual(user1_new_username, self.first_user.username)
 
     def test_update_username_invalid_length(self):
-
         self.first_user = UserModel(
             name=user1["name"],
             email=user1["email"],
@@ -120,7 +117,6 @@ def test_update_username_invalid_length(self):
         self.assertEqual(user1["username"], self.first_user.username)
 
     def test_update_availability_to_mentor_more_than_once(self):
-
         self.first_user = UserModel(
             name=user1["name"],
             email=user1["email"],
@@ -168,7 +164,6 @@ def test_update_availability_to_mentor_more_than_once(self):
         )
 
     def test_update_availability_to_be_mentee_to_false(self):
-
         self.first_user = UserModel(
             name=user1["name"],
             email=user1["email"],
diff --git a/tests/users/test_dao_update_user.py b/tests/users/test_dao_update_user.py
index 7a0352104..6bd9a3046 100644
--- a/tests/users/test_dao_update_user.py
+++ b/tests/users/test_dao_update_user.py
@@ -9,7 +9,6 @@
 
 class TestUpdateUserDao(BaseTestCase):
     def test_dao_update_user(self):
-
         self.assertIsNotNone(self.admin_user.name)
         self.assertIsNone(self.admin_user.bio)
         self.assertIsNone(self.admin_user.location)
@@ -50,7 +49,6 @@ def test_dao_update_user(self):
         self.assertEqual("good_photo_url", self.admin_user.photo_url)
 
     def test_update_fields_with_empty_data(self):
-
         name_before_update = self.admin_user.name
         self.assertIsNotNone(self.admin_user.name)
 
@@ -96,7 +94,6 @@ def test_update_fields_with_empty_data(self):
         self.assertIsNone(self.admin_user.photo_url)
 
     def test_update_user_that_does_not_exist(self):
-
         user = UserModel.query.filter_by(id=2).first()
         self.assertIsNone(user)
 
diff --git a/tests/users/test_database_model.py b/tests/users/test_database_model.py
index 92cd7b2b5..42be5f37a 100644
--- a/tests/users/test_database_model.py
+++ b/tests/users/test_database_model.py
@@ -16,7 +16,6 @@
 
 class TestAdminUserModel(BaseTestCase):
     def test_is_first_user_admin(self):
-
         user = UserModel.query.filter_by(email=test_admin_user["email"]).first()
         self.assertTrue(user is not None)
         self.assertTrue(user.id is not None)
@@ -31,7 +30,6 @@ def test_is_first_user_admin(self):
         )
 
     def test_second_user_cannot_be_admin(self):
-
         user = UserModel(
             name="User1",
             email="user1@email.com",