Fix some mypy issues

src/graphql/type/definition.py

@@ -833,9 +833,7 @@ def fields(self) -> GraphQLFieldMap:
             )
         return {
             assert_name(name): (
-                value
-                if isinstance(value, GraphQLField)
-                else GraphQLField(value)  # type: ignore
+                value if isinstance(value, GraphQLField) else GraphQLField(value)
             )
             for name, value in fields.items()
         }
@@ -969,9 +967,7 @@ def fields(self) -> GraphQLFieldMap:
             )
         return {
             assert_name(name): (
-                value
-                if isinstance(value, GraphQLField)
-                else GraphQLField(value)  # type: ignore
+                value if isinstance(value, GraphQLField) else GraphQLField(value)
             )
             for name, value in fields.items()
         }
@@ -1492,7 +1488,7 @@ def fields(self) -> GraphQLInputFieldMap:
             assert_name(name): (
                 value
                 if isinstance(value, GraphQLInputField)
-                else GraphQLInputField(value)  # type: ignore
+                else GraphQLInputField(value)
             )
             for name, value in fields.items()
         }

src/graphql/utilities/get_introspection_query.py

@@ -292,7 +292,9 @@ class IntrospectionSchema(MaybeWithDescription):
     directives: List[IntrospectionDirective]
 
 
-class IntrospectionQuery(TypedDict):
-    """The root typed dictionary for schema introspections."""
-
-    __schema: IntrospectionSchema
+# The root typed dictionary for schema introspections.
+# Note: We don't use class syntax here since the key looks like a private attribute.
+IntrospectionQuery = TypedDict(
+    "IntrospectionQuery",
+    {"__schema": IntrospectionSchema},
+)

tox.ini

@@ -4,7 +4,7 @@ isolated_build = true
 
 [gh-actions]
 python =
-    3: py311
+    3: py313
     3.6: py36
     3.7: py37
     3.8: py38
@@ -32,7 +32,7 @@ commands =
 [testenv:mypy]
 basepython = python3.12
 deps =
-    mypy>=1.14,<2
+    mypy>=1.15,<2
     pytest>=8.3,<9
 commands =
     mypy src tests