Update app.py

app.py

@@ -842,6 +842,8 @@ authorization_base_url = 'https://accounts.google.com/o/oauth2/auth'
 token_url = 'https://accounts.google.com/o/oauth2/token'
 scope = ['https://www.googleapis.com/auth/userinfo.profile', 'https://www.googleapis.com/auth/userinfo.email']
 
+GOOGLE_CLIENT_ID=os.environ(['GOOGLE_CLIENT_ID'])
+
 # Function to initiate the OAuth flow
 def login():
     google = OAuth2Session(GOOGLE_CLIENT_ID, scope=scope, redirect_uri=REDIRECT_URI)