python · AlexWaygood · Jan 14, 2023 · Oct 24, 2022 · Oct 24, 2022 · Oct 24, 2022
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -94,7 +94,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
           cache: pip
           cache-dependency-path: requirements-tests.txt
-      - run: pip install mypy packaging pathspec termcolor tomli
+      - run: pip install $(grep mypy== requirements-tests.txt) packaging pathspec termcolor tomli typing-extensions
       - run: python ./tests/mypy_test.py --platform=${{ matrix.platform }} --python-version=${{ matrix.python-version }}
 
   regression-tests:

diff --git a/tests/mypy_test.py b/tests/mypy_test.py
@@ -340,7 +340,7 @@ def test_third_party_distribution(
 
     mypypath = os.pathsep.join(str(Path("stubs", dist)) for dist in seen_dists)
     if args.verbose:
-        print(colored(f"\nmypypath={mypypath}", "blue"))
+        print(colored(f"\nMYPYPATH={mypypath}", "blue"))
     code = run_mypy(
         args,
         configurations,

diff --git a/tests/utils.py b/tests/utils.py
@@ -25,6 +25,8 @@ def colored(text: str, color: str | None = None, on_color: str | None = None, at
         return text
 
 
+# A backport of functools.cache for Python <3.9
+# This module is imported by mypy_test.py, which needs to run on 3.7 in CI
 cache = lru_cache(None)
 
 # Used to install system-wide packages for different OS types: