Swimbot Error

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_manager.py", line 66, in test
    count = await COC.swimbot(input=None).count
  File "c:\Users\swimm\OneDrive\Desktop\Swimbot\COC.py", line 181, in count
    count = int(await accounts.count_documents())
  File "C:\Users\swimm\AppData\Local\Programs\Python\Python37\lib\concurrent\futures\thread.py", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
TypeError: count_documents() missing 1 required positional argument: 'filter'