Tox test run cleanup, lint and type removed and type added to py3.11 run only. Synchronized gh-actions run with tox changes

Author: madzak

.github/workflows/build.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 

tox.ini

@@ -1,5 +1,6 @@
 [tox]
-envlist = pypy38, py36, py37, py38, py39, py310, py311
+requires = tox>=4
+envlist = lint, type, pypy{38}, py{36,37,38,39,310,311}
 
 [gh-actions]
 python =
@@ -9,11 +10,24 @@ python =
   3.8: py38
   3.9: py39
   3.10: py310
-  3.11: py311
+  3.11: py311, type
 
 [testenv]
-deps =
-  mypy
+description = run unit tests
 commands =
   python -m unittest discover
-  mypy src
+
+[testenv:lint]
+description = run linters
+skip_install = true
+deps =
+  black>=22.12
+commands =
+  black src
+
+[testenv:type]
+description = run type checks
+deps =
+  mypy>=1.0
+commands =
+  mypy src