Update app.py

app.py

@@ -24,12 +24,12 @@ def spinning_model(theme, nodes, emojis, loop):
         st.write("---")
         time.sleep(1)
         index = (index + 1) % len(nodes)
-        loop = st.button("Toggle Loop")
-        
+        loop = st.button("Toggle Loop", key=f"{theme}_toggle_loop")
+
 st.title("Spinning Model Visualization")
 st.write("Select a theme to display the spinning model.")
 
 selected_theme = st.selectbox("Theme:", list(themes.keys()))
 
-loop = st.button("Toggle Loop")
+loop = st.button("Toggle Loop", key=f"{selected_theme}_init_toggle_loop")
 spinning_model(selected_theme, themes[selected_theme], emojis, loop)