diff --git a/python/delta_sharing/rest_client.py b/python/delta_sharing/rest_client.py
index 07e9d7cd3..927439049 100644
--- a/python/delta_sharing/rest_client.py
+++ b/python/delta_sharing/rest_client.py
@@ -145,7 +145,7 @@ def __init__(self, profile: DeltaSharingProfile, num_retries=10):
         self._sleeper = lambda sleep_ms: time.sleep(sleep_ms / 1000)
         self.auth_session(profile)
 
-    def auth_session(self, profile) -> requests.Session:
+    def auth_session(self, profile):
         self._session = requests.Session()
         self.auth_broker(profile)
         if urlparse(profile.endpoint).hostname == "localhost":