move main file, remove checks for outdated Python

these are now handled by setup.py's python_requires.

.github/workflows/main.yml

@@ -64,15 +64,6 @@ jobs:
         with:
           file: ./coverage.xml
           name: ${{ matrix.os }}
-  test-unsupported-python-version:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-python@v2
-        with:
-          python-version: '3.5'
-      - run: pip install tox
-      - run: tox -e py35
   build-wheel:
     runs-on: ubuntu-latest
     env:

tox.ini

@@ -14,14 +14,6 @@ commands =
     --full-cov=mitmproxy/ --full-cov=pathod/ \
     {posargs}
 
-[testenv:py35]
-whitelist_externals =
-  bash
-deps =
-  -rrequirements.txt
-commands =
-  bash -c "mitmdump --version 2>&1 | grep 'mitmproxy requires Python 3.8'"
-
 [testenv:flake8]
 deps = flake8==3.8.4
 commands =