Update app.py

app.py

@@ -107,6 +107,9 @@ def init_state() :
 
     if "urls" not in st.session_state:
         st.session_state.urls = [""] * 5
+
+    if "creds" not in st.session_state:
+        st.session_state.creds = None        
     
     if "login_effettuato" not in st.session_state:
         st.session_state.login_effettuato = False