fix: Missing isinstance check (#139)

Author: sizmailov

pybind11_stubgen/parser/mixins/error_handlers.py

@@ -45,6 +45,7 @@ def handle_class(self, path: QualifiedName, class_: type) -> Class | None:
 
     @property
     def current_path(self) -> QualifiedName:
+        assert self.__current_path is not None
         return self.__current_path
 
     @property

pybind11_stubgen/parser/mixins/fix.py

@@ -525,6 +525,7 @@ def parse_annotation_str(
             ],
         )
 
+        assert result.parameters is not None
         if (
             scalar_with_dims.parameters is not None
             and len(scalar_with_dims.parameters) >= 0
@@ -590,7 +591,7 @@ def parse_annotation_str(
         if isinstance(result, ResolvedType) and result.name == self.__ndarray_name:
             if result.parameters is not None:
                 for param in result.parameters:
-                    if param.name in self.__flags:
+                    if isinstance(param, ResolvedType) and param.name in self.__flags:
                         param.name = QualifiedName.from_str(
                             f"numpy.ndarray.{param.name}"
                         )