Update app.py

app.py

@@ -23,8 +23,8 @@ from PIL import Image
 from glob import glob
 
 
-session_token = os.environ.get("SessionToken", add_to_git_credential=True)
-login(token=session_token)
+session_token = os.environ.get("SessionToken")
+login(token=session_token, add_to_git_credential=True)
 
 DEFAILT_USERNAME_MESSAGE = "You must be logged in befor starting to label images."
 REPO_URL = "glitchbench/GlitchBenchReviewData"