Use stable mypy (#5595)

Use stable mypy

Pin all package versions

Don't upgrade pip itself

.github/workflows/mypy_primer.yml

@@ -27,9 +27,7 @@ jobs:
         with:
           python-version: 3.8
       - name: Install dependencies
-        run: |
-          python -m pip install -U pip
-          pip install git+https://github.com/hauntsaninja/mypy_primer.git
+        run: pip install git+https://github.com/hauntsaninja/mypy_primer.git
       - name: Run mypy_primer
         shell: bash
         run: |
@@ -44,7 +42,7 @@ jobs:
           # fail action if exit code isn't zero or one
           (
             mypy_primer \
-            --new 61c346230cf4960c976 --old 61c346230cf4960c976 \
+            --new v0.901 --old v0.901 \
             --custom-typeshed-repo typeshed_to_test \
             --new-typeshed $GITHUB_SHA --old-typeshed upstream_master \
             --num-shards 2 --shard-index ${{ matrix.shard-index }} \

.github/workflows/stubtest-unused-whitelist.yml

@@ -25,11 +25,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      # Keep the mypy version in sync with what we use for stubtest in tests.yml
       - name: Install dependencies
-        run: |
-          python -m pip install -U pip
-          pip install -U git+git://github.com/python/mypy@master
+        run: pip install $(grep mypy== requirements-tests-py3.txt)
       - name: Run stubtest
         shell: bash
         run: ./tests/stubtest_unused.py | tee stubtest-output-${{ matrix.os }}-${{ matrix.python-version }}

.github/workflows/tests.yml

@@ -14,9 +14,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - run: |
-          pip install toml
-          ./tests/check_consistent.py
+      - run: pip install toml
+      - run: ./tests/check_consistent.py
 
   flake8:
     name: Lint with flake8
@@ -24,9 +23,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - run: |
-          pip install $(grep flake8 requirements-tests-py3.txt)
-          flake8
+      - run: pip install $(grep flake8 requirements-tests-py3.txt)
+      - run: flake8
 
   black:
     name: Check formatting with black
@@ -34,9 +32,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - run: |
-          pip install $(grep black requirements-tests-py3.txt)
-          black --check --diff stdlib stubs
+      - run: pip install $(grep black requirements-tests-py3.txt)
+      - run: black --check --diff stdlib stubs
 
   isort:
     name: Check imports with isort
@@ -44,9 +41,8 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - run: |
-          pip install $(grep isort requirements-tests-py3.txt)
-          isort --check-only --diff stdlib stubs
+      - run: pip install $(grep isort requirements-tests-py3.txt)
+      - run: isort --check-only --diff stdlib stubs
 
   pytype:
     name: Run pytype against the stubs
@@ -69,7 +65,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
-      - run: pip install -U git+git://github.com/python/mypy
+      - run: pip install $(grep mypy== requirements-tests-py3.txt)
       - run: ./tests/mypy_test.py --platform=${{ matrix.platform }}
 
   pyright:
@@ -104,10 +100,7 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      # Keep the mypy version in sync with what we use for stubtest in stubtest-unused-whitelist.yml
       - name: Install dependencies
-        run: |
-          python -m pip install -U pip
-          pip install -U git+git://github.com/python/mypy@master
+        run: pip install $(grep mypy== requirements-tests-py3.txt)
       - name: Run stubtest
         run: python tests/stubtest_test.py --ignore-unused-whitelist

requirements-tests-py3.txt

@@ -1,10 +1,8 @@
-# Use the current mypy version until a version that supports modular
-# typeshed is released on PyPI.
-git+https://github.com/python/mypy.git@master
-typed-ast>=1.0.4
+mypy==0.901
+typed-ast==1.4.3
 black==21.5b2
 flake8==3.9.2
 flake8-bugbear==21.4.3
 flake8-pyi==20.10.0
 isort==5.8.0
-pytype>=2021.5.25
+pytype==2021.5.25