do style check only for python 3.6

Author: blankdots

.github/workflows/style.yml

@@ -8,7 +8,7 @@ jobs:
       max-parallel: 4
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.6, 3.7]
+        python-version: [3.7]
 
     runs-on: ${{ matrix.os }}
 

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{36,37}, flake8, bandit, pytest
+envlist = flake8, bandit, pytest
 skipdist = True
 
 [testenv:bandit]
@@ -31,5 +31,5 @@ deps =
 
 [gh-actions]
 python =
-    3.6: flake8, pytest, bandit
+    3.6: pytest
     3.7: flake8, pytest, bandit