Add flake8 config globally (#732)

* Add flake config globally

* Remove un-used import

.flake8

@@ -0,0 +1,9 @@
+[flake8]
+# E121: Continuation line under-indented for hanging indent
+# E123: Continuation line missing indentation or outdented
+# E125:	Continuation line with same indent as next logical line
+# E128: Continuation line under-indented for visual indent
+# E226: Missing whitespace around arithmetic operator
+# W503: Line break occurred before a binary operator
+ignore=E121,E123,E125,E128,E226,W503
+max-line-length=110

.github/workflows/python-package.yml

@@ -18,7 +18,7 @@ jobs:
         run: python -m pip install flake8
 
       - name: Run flake8 linter (source)
-        run: flake8 --ignore E12,E226,W503 --max-line-length 110 --show-source smart_open
+        run: flake8 --show-source smart_open
 
   unit_tests:
     needs: [linters]

integration-tests/test_s3.py

@@ -11,7 +11,6 @@
 import io
 import os
 import random
-import subprocess
 import string
 
 import boto3