def isbuiltin(object):
    return isinstance(object, types.BuiltinFunctionType)
Precompute stockwell gausian windows (in the freq domain)
dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/inspect.py/isbuiltin--crossover with--dataset/ETHPy150Open mne-tools/mne-python/mne/time_frequency/_stockwell.py/_precompute_st_windows