Update main.py

main.py

@@ -12,6 +12,7 @@ with gr.Blocks(theme="glass") as demo:
 
     chatbot = gr.Chatbot(type="messages", height=750)
     msg = gr.Textbox()
+    send_button = gr.Button("Send")
     clear = gr.ClearButton([msg, chatbot])
 
     def respond(message, chat_history):
@@ -22,6 +23,7 @@ with gr.Blocks(theme="glass") as demo:
         return "", chat_history
 
     msg.submit(respond, [msg, chatbot], [msg, chatbot])
+    send_button.click(respond, [msg, chatbot], [msg, chatbot])
 
     gr.Examples([
         ["How is penalty to be deducted from O&M bill of CNG 1200 SCMH compressor package against gas loss of 60,000 SCM in a month. Explain with detailed calculations."],