Update app.py

app.py

@@ -69,10 +69,10 @@ def load_data(uploaded_files):
 def save_conversation():
   if st.session_state.phone_number:
 
-    conversation_entry = [
-        "phone_number" : st.session_state.phone_number, 
-        "messages" : st.session_state.messages, 
-    ]
+    conversation_entry = {
+        "phone_number": st.session_state.phone_number,
+        "messages": st.session_state.messages,
+    }
 
     with open("conversation.json", "a") as f:
       json.dump(conversation_entry, f) # dump means adding