flake8 configuration

.pre-commit-config.yaml

@@ -4,6 +4,10 @@ repos:
     hooks:
       - id: black
         language_version: python3
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 3.8.4
+    hooks:
+      - id: flake8
   - repo: https://github.com/PyCQA/isort
     rev: 5.6.4
     hooks:

setup.cfg

@@ -0,0 +1,15 @@
+[flake8]
+exclude = .git,.tox,venv,bin,lib,deps,build
+doctests = True
+# To work with Black
+# E501: line too long
+# W503: Line break occurred before a binary operator
+# E203: Whitespace before ':'
+# D202 No blank lines allowed after function docstring
+# W504 line break after binary operator
+ignore =
+    E501,
+    W503,
+    E203,
+    D202,
+    W504