Update app.py

app.py

@@ -179,7 +179,7 @@ if prompt := st.chat_input("Enter your prompt here..."):
         )
         
 if prompt := prompts.get(prompt_selection):
-    prompt_selection(None)
+    prompt_selection = "none"
     
     st.session_state.messages.append({"role": "user", "content": prompt})
     with st.chat_message("user", avatar="❓"):