more fixes in pyproject-metadata 0.8.0

mesonpy/__init__.py

@@ -242,20 +242,14 @@ def __init__(self, name: str, *args: Any, **kwargs: Any):
         super().__init__(name, *args, **kwargs)
 
     @classmethod
-    def from_pyproject(cls, data: Mapping[str, Any], project_dir: Path) -> Metadata:  # type: ignore[override]
-        # The class method from the pyproject_metadata base class is not
-        # typed in a subclassing friendly way, thus annotations to ignore
-        # typing are needed.
-
+    def from_pyproject(cls, data: Mapping[str, Any], project_dir: Path) -> Self:
         metadata = super().from_pyproject(data, project_dir)
-
         # Check for unsupported dynamic fields.
         unsupported_dynamic = set(metadata.dynamic) - {'version', }
         if unsupported_dynamic:
             fields = ', '.join(f'"{x}"' for x in unsupported_dynamic)
             raise pyproject_metadata.ConfigurationError(f'Unsupported dynamic fields: {fields}')
-
-        return metadata  # type: ignore[return-value]
+        return metadata
 
     @property
     def distribution_name(self) -> str: