Update app.py

app.py

@@ -53,9 +53,10 @@ def init_state() :
         st.session_state.loaded_data = False
         
     if not st.session_state.loaded_data:
-        options = requests.get(URL_APP_SCRIPT).json()
-        st.session_state.options = options
-        st.session_state.loaded_data = True
+        with st.spinner('Caricamento in corso...'):
+            options = requests.get(URL_APP_SCRIPT).json()
+            st.session_state.options = options
+            st.session_state.loaded_data = True
 
 def sidebar() :
     def retrieval_settings() :