diff --git a/.gitignore b/.gitignore
index c4cf926..c1a80f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
+/.venv
+/.ruff_cache
 
 # Distribution / packaging
 .Python
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7c8d0c7..f685a09 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -8,21 +8,6 @@ exclude: |
 default_language_version:
   python: python3
 repos:
-  - repo: https://github.com/myint/autoflake
-    rev: v1.6.1
-    hooks:
-      - id: autoflake
-        args:
-          - --expand-star-imports
-          - --ignore-init-module-imports
-          - --in-place
-          - --remove-all-unused-imports
-          - --remove-duplicate-keys
-          - --remove-unused-variables
-  - repo: https://github.com/psf/black
-    rev: 22.8.0
-    hooks:
-      - id: black
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.3.0
     hooks:
@@ -37,19 +22,9 @@ repos:
       - id: check-merge-conflict
       - id: mixed-line-ending
         args: ["--fix=lf"]
-  - repo: https://github.com/asottile/pyupgrade
-    rev: v3.3.2
-    hooks:
-      - id: pyupgrade
-        args: ["--keep-percent-format"]
-  - repo: https://github.com/PyCQA/isort
-    rev: 5.12.0
-    hooks:
-      - id: isort
-        exclude: /__init__\.py$
-  - repo: https://github.com/PyCQA/flake8
-    rev: 3.9.2
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.3
     hooks:
-      - id: flake8
-        name: flake8
-        additional_dependencies: ["flake8-bugbear==21.9.2"]
+      - id: ruff
+        args: [--fix, --exit-non-zero-on-fix]
+      - id: ruff-format
diff --git a/oca_port/__init__.py b/oca_port/__init__.py
index d0f067c..58d8c9b 100644
--- a/oca_port/__init__.py
+++ b/oca_port/__init__.py
@@ -1 +1,3 @@
+__all__ = ["App"]
+
 from .app import App
diff --git a/oca_port/utils/__init__.py b/oca_port/utils/__init__.py
index 98a0343..b827abb 100644
--- a/oca_port/utils/__init__.py
+++ b/oca_port/utils/__init__.py
@@ -1,5 +1,7 @@
+__all__ = ["cache", "git", "github", "misc", "storage"]
+
+from . import cache
 from . import git
 from . import github
 from . import misc
 from . import storage
-from . import cache
diff --git a/oca_port/utils/misc.py b/oca_port/utils/misc.py
index 4ff4b67..395861f 100644
--- a/oca_port/utils/misc.py
+++ b/oca_port/utils/misc.py
@@ -70,7 +70,7 @@ class SmartDict(dict):
 
     def __getattr__(self, attrib):
         val = self.get(attrib)
-        return self.__class__(val) if type(val) is dict else val
+        return self.__class__(val) if isinstance(val, dict) else val
 
 
 REF_REGEX = r"((?P<org>[\w-]+)/)?((?P<repo>[\w-]+)#)?(?P<branch>.*)"
diff --git a/tests/common.py b/tests/common.py
index 54a214f..1c9568b 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -10,7 +10,6 @@
 
 
 class CommonCase(unittest.TestCase):
-
     _settings = {
         "branch1": "15.0",
         "remote_branch1": "origin/15.0",