Swimbot Error

Traceback (most recent call last):
  File "C:\Users\swimm\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\ext\commands\bot.py", line 613, in _load_from_module_spec
    setup = getattr(lib, 'setup')
AttributeError: module 'test' has no attribute 'setup'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\swimm\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\ext\commands\core.py", line 85, in wrapped
    ret = await coro(*args, **kwargs)
  File "c:\Users\swimm\OneDrive\Desktop\Swimbot\SwimBot.py", line 32, in load
    bot.load_extension(extension_name)
  File "C:\Users\swimm\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\ext\commands\bot.py", line 664, in load_extension
    self._load_from_module_spec(spec, name)
  File "C:\Users\swimm\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\ext\commands\bot.py", line 616, in _load_from_module_spec
    raise errors.NoEntryPointError(key)
discord.ext.commands.errors.NoEntryPointError: Extension 'test' has no 'setup' function.