diff --git a/tableauserverclient/server/endpoint/endpoint.py b/tableauserverclient/server/endpoint/endpoint.py
index c97091d98..77a771288 100644
--- a/tableauserverclient/server/endpoint/endpoint.py
+++ b/tableauserverclient/server/endpoint/endpoint.py
@@ -148,7 +148,7 @@ def _make_request(
         # a request can, for stuff like publishing, spin for ages waiting for a response.
         # we need some user-facing activity so they know it's not dead.
         request_timeout = self.parent_srv.http_options.get("timeout") or 0
-        server_response: Optional[Union["Response",Exception]] = self.send_request_while_show_progress_threaded(
+        server_response: Optional[Union["Response", Exception]] = self.send_request_while_show_progress_threaded(
             method, url, parameters, request_timeout
         )
         logger.debug("[{}] Async request returned: received {}".format(datetime.timestamp(), server_response))