Python 3.11 support (#89)

* Fix bytecode_nameof in Python 3.11

* Test 3.11 in GHA

* revert error thing

* mypy

* mypy

* black

* Require coverage ^6.4 for python3.7+

* Exclude some coverage and remove .editconfig

Co-authored-by: pwwang <[email protected]>

Author: alexmojaki

.editorconfig

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10", 3.11-dev]
 
     steps:
       - uses: actions/checkout@v2