Bump mypy from 0.910 to 0.930 (#651)

* Bump mypy from 0.910 to 0.930

Bumps [mypy](https://github.com/python/mypy) from 0.910 to 0.930.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.910...v0.930)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update __init__.py

* Update login_required_example.py

* Update test_session_dict.py

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sam Bull <[email protected]>

Author: dependabot[bot]

aiohttp_session/__init__.py

@@ -57,7 +57,7 @@ def __init__(
         new: bool,
         max_age: Optional[int] = None,
     ) -> None:
-        self._changed = False
+        self._changed: bool = False
         self._mapping: Dict[str, Any] = {}
         self._identity = identity if data != {} else None
         self._new = new if data != {} else True

demo/login_required_example.py

@@ -30,7 +30,7 @@ async def wrapped(
         # actually load user from your database (e.g. with aiopg)
         user = DATABASE[user_id]
         app["user"] = user
-        return await fn(request, *args, **kwargs)  # type: ignore[call-arg]
+        return await fn(request, *args, **kwargs)
 
     return wrapped
 

requirements-dev.txt

@@ -12,7 +12,7 @@ flake8-bugbear==22.1.11
 flake8-import-order==0.18.1
 flake8-requirements==1.5.1
 multidict==5.2.0
-mypy==0.910
+mypy==0.930
 pep257==0.7.0
 pre-commit==2.16.0
 pynacl==1.4.0

tests/test_session_dict.py

@@ -85,7 +85,8 @@ def test_invalidate() -> None:
     s.invalidate()
     assert s == cast(MutableMapping[str, Any], {})
     assert s._changed
-    assert s.created is not None
+    # Mypy bug: https://github.com/python/mypy/issues/11853
+    assert s.created is not None  # type: ignore[unreachable]
 
 
 def test_invalidate2() -> None:
@@ -96,7 +97,8 @@ def test_invalidate2() -> None:
     s.invalidate()
     assert s == cast(MutableMapping[str, Any], {})
     assert s._changed
-    assert s.created is not None
+    # Mypy bug: https://github.com/python/mypy/issues/11853
+    assert s.created is not None  # type: ignore[unreachable]
 
 
 def test_operations() -> None:
@@ -153,5 +155,6 @@ def test_change() -> None:
 
     s.changed()
     assert s._changed
+    # Mypy bug: https://github.com/python/mypy/issues/11853
+    assert s.created == created  # type: ignore[unreachable]
     assert cast(MutableMapping[str, Any], {"a": {"key": "value", "key2": "val2"}}) == s
-    assert s.created == created