Here's what happens if we add loads of non-types requirements

Author: AlexWaygood

.github/workflows/tests.yml

@@ -87,7 +87,7 @@ jobs:
           cache: pip
           cache-dependency-path: requirements-tests.txt
       - run: pip install -r requirements-tests.txt
-      - run: python ./tests/mypy_test.py --platform=${{ matrix.platform }} --python-version=${{ matrix.python-version }}
+      - run: python ./tests/mypy_test.py --platform=${{ matrix.platform }} --python-version=${{ matrix.python-version }} --verbose
 
   regression-tests:
     name: Run mypy on the test cases

stubs/Pillow/METADATA.toml

@@ -1 +1,2 @@
+requires = ["packaging"]
 version = "9.3.*"

stubs/SQLAlchemy/METADATA.toml

@@ -1,3 +1,4 @@
+requires = ["tomli"]
 version = "1.4.45"
 extra_description = """\
   The `sqlalchemy-stubs` package is an alternative to this package and also \

stubs/paramiko/METADATA.toml

@@ -1,5 +1,5 @@
 version = "2.12.*"
-requires = ["types-cryptography"]
+requires = ["cryptography"]
 
 [tool.stubtest]
 # linux and darwin are equivalent

stubs/requests/METADATA.toml

@@ -1,5 +1,5 @@
 version = "2.28.*"
-requires = ["types-urllib3<1.27"] # keep in sync with requests's setup.py
+requires = ["types-urllib3<1.27", "numpy"] # keep in sync with requests's setup.py
 
 [tool.stubtest]
 ignore_missing_stub = false