linting

fastapi/_compat.py

@@ -421,24 +421,24 @@ else:
         return False
 
     def is_pv1_scalar_mapping_field(field: ModelField) -> bool:
-        if (field.shape in mapping_shapes) and not lenient_issubclass(
+        if (field.shape in mapping_shapes) and not lenient_issubclass(  # type: ignore[attr-defined]
             field.type_, BaseModel
         ):
-            if field.sub_fields is None:
+            if field.sub_fields is None:  # type: ignore[attr-defined]
                 return False
-            for sub_field in field.sub_fields:
+            for sub_field in field.sub_fields:  # type: ignore[attr-defined]
                 if not is_scalar_field(sub_field):
                     return False
             return True
         return False
 
     def is_pv1_scalar_sequence_mapping_field(field: ModelField) -> bool:
-        if (field.shape in mapping_shapes) and not lenient_issubclass(
+        if (field.shape in mapping_shapes) and not lenient_issubclass(  # type: ignore[attr-defined]
             field.type_, BaseModel
         ):
-            if field.sub_fields is None:
+            if field.sub_fields is None:  # type: ignore[attr-defined]
                 return False
-            for sub_field in field.sub_fields:
+            for sub_field in field.sub_fields:  # type: ignore[attr-defined]
                 if not is_scalar_sequence_field(sub_field):
                     return False
             return True

fastapi/dependencies/utils.py

@@ -653,11 +653,11 @@ def request_params_to_args(
         ):
             value = received_params.getlist(field.alias) or field.default
         elif is_scalar_mapping_field(field) and isinstance(
-            received_params, (QueryParams, Headers)
+            received_params, (QueryParams)
         ):
             value = dict(received_params.multi_items()) or field.default
         elif is_scalar_sequence_mapping_field(field) and isinstance(
-            received_params, (QueryParams, Headers)
+            received_params, (QueryParams)
         ):
             if not len(received_params.multi_items()):
                 value = field.default