fix(ci): bump flake8 to get fix for PyCQA/pyflakes#367; per-file-igno…

…re ext is now redundant; linter back online in CI

.github/workflows/test.yml

@@ -6,8 +6,11 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
-    container: kmkfw/base
 
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+            python-version: '3.9' # Version range or exact version of a Python version to use, using SemVer's version range syntax
+      - run: python -m pip install --upgrade pipenv wheel
       - run: make test

Pipfile

@@ -6,21 +6,17 @@ name = "pypi"
 [packages]
 
 [dev-packages]
-"flake8" = "*"
+"flake8" = ">=3.9.0"
 "flake8-commas" = "*"
 "flake8-comprehensions" = "*"
 "flake8-isort" = "*"
-"flake8-per-file-ignores" = "*"
 "python-magic" = "*"
 adafruit-ampy = "*"
 ipdb = "*"
 ipython = "*"
 isort = "*"
 neovim = "*"
 s3cmd = "*"
-black = "==19.3b0"
+black = "==21.6b0"
 flake8-quotes = "*"
 flake8-black = "*"
-
-[requires]
-python_version = "3.7"