Update app.py

app.py

@@ -66,6 +66,15 @@ async def chat_stream(idx, local_data, instruction_txtbox, chat_state):
         ppm.append_pong(result)
         yield ppm.build_uis(), str(res)
 
+def channel_num(btn_title):
+    choice = 0
+
+    for idx, channel in enumerate(channels):
+        if channel == btn_title:
+            choice = idx
+
+    return choice
+
 def set_chatbot(btn, ld, state):
     choice = channel_num(btn)