Update app.py

app.py

@@ -100,10 +100,14 @@ else:
        
 
     # conversation
+    first = True
     for message in st.session_state.chat_history:
-        if isinstance(message, AIMessage):
-            with st.chat_message("AI"):
-                st.write(message.content)
-        elif isinstance(message, HumanMessage):
-            with st.chat_message("Human"):
-                st.write(message.content)
+        if first == True:
+            first = False
+        else:
+            if isinstance(message, AIMessage):
+                with st.chat_message("AI"):
+                    st.write(message.content)
+            elif isinstance(message, HumanMessage):
+                with st.chat_message("Human"):
+                    st.write(message.content)