clean up forms

django-stubs/core/exceptions.pyi

@@ -1,6 +1,5 @@
-from typing import Any, Dict, Iterator, List, Optional, Tuple, Type, Union
+from typing import Any, Dict, Iterator, List, Mapping, Optional, Tuple, Union
 
-from django.db.models.base import Model
 from django.forms.utils import ErrorDict
 
 class FieldDoesNotExist(Exception): ...
@@ -31,20 +30,13 @@ class ValidationError(Exception):
     message: Any = ...
     code: Any = ...
     params: Any = ...
-    def __init__(
-        self,
-        message: Any,
-        code: Optional[str] = ...,
-        params: Optional[
-            Union[Dict[str, Union[Tuple[str], Type[Model], Model, str]], Dict[str, Union[int, str]]]
-        ] = ...,
-    ) -> None: ...
+    def __init__(self, message: Any, code: Optional[str] = ..., params: Optional[Mapping[str, Any]] = ...) -> None: ...
     @property
     def message_dict(self) -> Dict[str, List[str]]: ...
     @property
     def messages(self) -> List[str]: ...
     def update_error_dict(
-        self, error_dict: Union[Dict[str, List[ValidationError]], ErrorDict]
+        self, error_dict: Mapping[str, Any]
     ) -> Union[Dict[str, List[ValidationError]], ErrorDict]: ...
     def __iter__(self) -> Iterator[Union[Tuple[str, List[str]], str]]: ...
 

django-stubs/core/files/uploadedfile.pyi

@@ -39,10 +39,10 @@ class InMemoryUploadedFile(UploadedFile):
         charset: Optional[str],
         content_type_extra: Dict[str, str] = ...,
     ) -> None: ...
-    def chunks(self, chunk_size: int = None) -> Iterator[bytes]: ...
-    def multiple_chunks(self, chunk_size: int = None) -> bool: ...
+    def chunks(self, chunk_size: Optional[int] = ...) -> Iterator[bytes]: ...
+    def multiple_chunks(self, chunk_size: Optional[int] = ...) -> bool: ...
 
 class SimpleUploadedFile(InMemoryUploadedFile):
-    def __init__(self, name: str, content: bytes, content_type: str = "") -> None: ...
+    def __init__(self, name: str, content: Optional[Union[bytes, str]], content_type: str = ...) -> None: ...
     @classmethod
     def from_dict(cls: Any, file_dict: Dict[str, Union[str, bytes]]) -> None: ...