explicitly pull string value from token

app.py

@@ -422,12 +422,14 @@ def visualize_network(
     return fig, bc_highlight, comm_highlight, out_cluster_file_name
 
 
-def check_user_access(token: gr.OAuthToken | None):
+def check_user_access(oauth_token: gr.OAuthToken | None):
     """Check if user is logged in and has access to private repo"""
 
-    if token is None:
+    if oauth_token is None:
         raise gr.Error("Please log in to use this Space")
 
+    token = oauth_token.token
+
     try:
         # Try to access a file from your private repo
         api = HfApi(token=token)