Update app.py

app.py

@@ -17,7 +17,7 @@ def generate_response(user_message, cid, history=None):
     
     if history is None:
         history = []
-    if cid == "":    
+    if cid == "" or None:    
         cid = str(uuid.uuid4())
         
     history.append(user_message)
@@ -120,6 +120,7 @@ with gr.Blocks(analytics_enabled=False, css=custom_css) as demo:
                 cache_examples=False,
                 fn=trigger_example,
                 outputs=[chatbot],
+                examples_per_page=100
             )
 
 if __name__ == "__main__":