NameError: name 'main' is not defined

[it-xiaomi]

The code execution nodes in the workflow can run normally, but the same code cannot be executed by the code interpreter in the tool，error info:{"simple_code": "tool invoke error: Traceback (most recent call last):\n File "/var/sandbox/sandbox-python/tmp/d9bd9eb0_ae26_4744_a99a_e6406d7d85eb.py", line 48, in \n File "", line 6, in \nNameError: name 'main' is not defined\nerror: exit status 255\n"}

[DirtyRattie]

Functions in dify code runner can only be named "main", is this the problem by any chance?