from pandas.core.groupby.base import transformation_kernels # tshift only works on time index and is deprecated # There is no Series.cumcount or DataFrame.cumcount series_transform_kernels = [ x for x in sorted(transformation_kernels) if x not in ["tshift", "cumcount"] ] frame_transform_kernels = [ x for x in sorted(transformation_kernels) if x not in ["tshift", "cumcount"] ]