Update app.py

app.py

@@ -101,11 +101,15 @@ def execute_jupyter_agent(
     user_input, files, message_history, request: gr.Request
 ):
     
+    print(f'{user_input[0]}')
+    if not user_input.startswith("zhen:"):   
+        return                               
+    user_input = user_input[5:].lstrip()
     if request.session_hash not in SANDBOXES:
         SANDBOXES[request.session_hash] = Sandbox.create(timeout=SANDBOX_TIMEOUT)
     sbx = SANDBOXES[request.session_hash]
     if f'{user_input[0]}'!='zhen:':
-        return 'something erro!'
+        break
     else:
         user_input=user_input[2:]
     save_dir = os.path.join(TMP_DIR, request.session_hash)