Remove None from accepted_renderer, accepted_media_type (#668)

Author: q0w

rest_framework-stubs/request.pyi

@@ -48,8 +48,8 @@ class Request(HttpRequest):
     parsers: Sequence[BaseParser] | None
     authenticators: Sequence[BaseAuthentication | ForcedAuthentication] | None
     negotiator: BaseContentNegotiation | None
-    accepted_renderer: BaseRenderer | None
-    accepted_media_type: str | None
+    accepted_renderer: BaseRenderer
+    accepted_media_type: str
     parser_context: dict[str, Any]
     version: str | None
     versioning_scheme: BaseVersioning | None

rest_framework-stubs/response.pyi

@@ -14,8 +14,8 @@ class Response(SimpleTemplateResponse):
     data: Any
     exception: bool
     content_type: str | None
-    accepted_renderer: BaseRenderer | None
-    accepted_media_type: str | None
+    accepted_renderer: BaseRenderer
+    accepted_media_type: str
     _request: Request
     def __init__(
         self,