Allow None for max timeout

Author: adamtheturtle

src/vws/vws.py

@@ -310,7 +310,7 @@ def wait_for_target_processed(
         self,
         target_id: str,
         seconds_between_requests: float = 0.2,
-        timeout_seconds: float = 60 * 5,
+        timeout_seconds: Optional[float] = 60 * 5,
     ) -> None:
         """
         Wait up to five minutes (arbitrary) for a target to get past the
@@ -324,7 +324,8 @@ def wait_for_target_processed(
                 decrease the number of calls made to the API, to decrease the
                 likelihood of hitting the request quota.
             timeout_seconds: The maximum number of seconds to wait for the
-                target to be processed.
+                target to be processed. If ``None`` is given, no maximum is
+                applied.
 
         Raises:
             ~vws.exceptions.AuthenticationFailure: The secret key is not