Improve raw type

Author: adamtheturtle

src/vws/types.py

@@ -1,6 +1,7 @@
 """Responses for requests to VWS and VWQ."""
 
 from dataclasses import dataclass
+from io import IOBase
 
 from beartype import beartype
 
@@ -17,4 +18,4 @@ class Response:
     status_code: int
     headers: dict[str, str]
     request_body: bytes | str | None
-    raw: bytes
+    raw: IOBase