resample fails

Traceback (most recent call last):
  ...
    qc = qc.resample(
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/modules/resampling.py", line 70, in resample
    return self._defer("resample", locals())
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/modules/__init__.py", line 50, in _defer
    return self._wrap(FUNC_MAP[fname])(**flocals, **fkwargs)
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/core.py", line 209, in inner
    out = out._callFunction(func, *args, **fkwargs)
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/core.py", line 223, in _callFunction
    res = function(data=self._data, flags=self._flags, field=field, *args, **kwargs)
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/register.py", line 161, in __call__
    data, flags = self.func(*args, **kwargs)
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/funcs/resampling.py", line 357, in resample
    history = flags.history[field].apply(
  File "/home/palmb/virtualenvs/gcef3.8/lib/python3.8/site-packages/saqc/core/history.py", line 322, in apply
    hist[pos] = func(self.hist[pos].astype(float), **func_kws)
TypeError: aggregate2Freq() got an unexpected keyword argument 'func'