modified chatboot

chatbot.py

@@ -7,9 +7,12 @@ from langchain.prompts import (
 from langchain.chains import ConversationChain
 from langchain.chat_models import ChatOpenAI
 from langchain.memory import ConversationBufferMemory
+import openai
 import panel as pn
 import os
 
+os.environ["LANGCHAIN_TRACING"] = "true"
+
 panels = [] # collect display 
 
 pn.extension('texteditor', template="bootstrap", sizing_mode='stretch_width')
@@ -56,18 +59,24 @@ def collect_messages(_):
             pn.Row('Assistant:', pn.pane.Markdown(response, width=600, style={'background-color': '#F6F6F6'})))
     
         return pn.Column(*panels)
+try:
+    #layout
+    interactive_conversation = pn.bind(collect_messages, button_conversation)
+    pn.Column( 
+        pn.pane.Markdown("""
+        ## \U0001F60A! A friendly Conversational AI Chatbot
+        1) Enter OpenAI API key. This costs $. Set up billing at [OpenAI](https://platform.openai.com/account).
+        """
+        ),
+        pn.Row(inp,spacer,openaikey),
+        pn.Row(button_conversation, width=200, margin=(5,150)),
+        pn.panel(interactive_conversation, loading_indicator=True, height=200),
+    ).servable()
+except openai.error.AuthenticationError:
+    # Handle the AuthenticationError
+    print("Authentication error: Invalid API key or insufficient permissions.")
+    # Perform any necessary actions, such as displaying an error message or exiting the program
+
 
-#layout
-interactive_conversation = pn.bind(collect_messages, button_conversation)
-pn.Column( 
-    pn.pane.Markdown("""
-    ## \U0001F60A! A friendly Conversational AI Chatbot
-    1) Enter OpenAI API key. This costs $. Set up billing at [OpenAI](https://platform.openai.com/account).
-    """
-    ),
-    pn.Row(inp,spacer,openaikey),
-    pn.Row(button_conversation, width=200, margin=(5,150)),
-    pn.panel(interactive_conversation, loading_indicator=True, height=200),
-).servable()