added the extra condition

Author: Dhruvkumar-Microsoft

infra/scripts/upload_team_config.py

@@ -39,7 +39,7 @@ def check_team_exists(backend_url, team_id, user_principal_id):
 
 backend_url = sys.argv[1]
 directory_path = sys.argv[2]
-user_principal_id = sys.argv[3] if len(sys.argv) > 3 else "00000000-0000-0000-0000-000000000000"
+user_principal_id = sys.argv[3] if len(sys.argv) > 3 and sys.argv[3].strip() != "" else "00000000-0000-0000-0000-000000000000"
 print("User principal from py : " + user_principal_id)
 
 # Convert to absolute path if provided as relative