Fix new flake8 errors

.gitignore

@@ -1,4 +1,5 @@
 *.py[co]
+.DS_Store
 
 # Packages
 *.egg

picas/batchid.py

@@ -5,6 +5,7 @@
 
 from os import environ
 
+
 def add_batch_management_id(doc):
     """
     Add job number id of the batch system to a token/document

picas/clients.py

@@ -16,6 +16,7 @@
 from .documents import Document
 from .picaslogger import picaslogger
 
+
 class CouchDB:
 
     """Client class to handle communication with the CouchDB back-end."""
@@ -186,8 +187,9 @@ def delete_documents(self, docs):
             try:
                 self.delete(doc)
             except ResourceConflict as ex:
-                picaslogger.info(f"Could not delete document {doc.id} (rev {doc.rev}) "
-                      "due to resource conflict: {str(ex)}", file=sys.stderr)
+                picaslogger.info(
+                    f"Could not delete document {doc.id} (rev {doc.rev}) due to resource conflict: {str(ex)}",
+                    file=sys.stderr)
                 result[i] = False
             except Exception as ex:
                 picaslogger.info(f"Could not delete document {str(doc)}: {str(ex)}", file=sys.stderr)

picas/documents.py

@@ -191,7 +191,6 @@ class Task(Document):
         'error': [],
     }
 
-
     def __init__(self, task=None):
         if task is None:
             task = {}

setup.cfg

@@ -1,2 +1,5 @@
 [metadata]
 description-file = README.md
+
+[flake8]
+max-line-length = 199

tests/test_executers.py

@@ -2,6 +2,7 @@
 
 from picas.executers import execute
 
+
 class TestExecutors(unittest.TestCase):
 
     def test_run_command(self):

tests/test_generators.py

@@ -2,6 +2,7 @@
 
 from picas.generators import TokenGenerator
 
+
 class TestGenerators(unittest.TestCase):
 
     def setUp(self):

tests/test_iterators.py

@@ -17,7 +17,7 @@ def test_taskviewiterator(self):
         self.assertEqual(len(self.db.saved), 1)
 
     def stop_function(self, stop_value=2):
-        self.stop_value=stop_value
+        self.stop_value = stop_value
         return len(self.db.saved) == stop_value
 
     def test_endlessviewiterator(self):

tests/test_modifiers.py

@@ -3,6 +3,7 @@
 from picas.documents import Task
 from picas.modifiers import BasicTokenModifier
 
+
 class TestModifier(unittest.TestCase):
 
     def setUp(self):