Add `bytes` to `_RequestData` type (#2510)

diff --git a/starlette/testclient.py b/starlette/testclient.py
index 90eb53e3d43ec4ffd2a3fa5e84b1705dc29ece0a..e7291a2082fbdb3de8d2870934d1ee1148a33b43 100644 (file)
--- a/starlette/testclient.py
+++ b/starlette/testclient.py
@@ -46,7 +46,7 @@ ASGI2App = typing.Callable[[Scope], ASGIInstance]
 ASGI3App = typing.Callable[[Scope, Receive, Send], typing.Awaitable[None]]
 
 
-_RequestData = typing.Mapping[str, typing.Union[str, typing.Iterable[str]]]
+_RequestData = typing.Mapping[str, typing.Union[str, typing.Iterable[str], bytes]]
 
 
 def _is_asgi3(app: ASGI2App | ASGI3App) -> TypeGuard[ASGI3App]: