Update to mypy 0.930 (#6660)

* Update to mypy 0.930

* Temporarily pin stubtest to 0.921

Author: srittau

.github/workflows/stubtest.yml

@@ -34,7 +34,10 @@ jobs:
       - name: Update pip
         run: python -m pip install -U pip
       - name: Install dependencies
-        run: pip install $(grep tomli== requirements-tests.txt) $(grep mypy== requirements-tests.txt)
+        run: |
+          # Temporarily pin stubtest version
+          pip install mypy==0.921
+          pip install $(grep tomli== requirements-tests.txt) # $(grep mypy== requirements-tests.txt)
       - name: Run stubtest
         run: python tests/stubtest_stdlib.py
 

.github/workflows/tests.yml

@@ -110,7 +110,10 @@ jobs:
       - name: Update pip
         run: python -m pip install -U pip
       - name: Install dependencies
-        run: pip install $(grep tomli== requirements-tests.txt) $(grep mypy== requirements-tests.txt)
+        run: |
+          # Temporarily pin stubtest version
+          pip install mypy==0.921
+          pip install $(grep tomli== requirements-tests.txt) # $(grep mypy== requirements-tests.txt)
       - name: Run stubtest
         run: python tests/stubtest_stdlib.py
 

requirements-tests.txt

@@ -1,4 +1,4 @@
-mypy==0.921
+mypy==0.930
 pytype==2021.11.29; platform_system != "Windows"
 # must match .pre-commit-config.yaml
 black==21.12b0