Removed NDFrameSplitter class (#26153)

Author: WillAyd

pandas/core/groupby/ops.py

@@ -884,33 +884,10 @@ def _chop(self, sdata, slice_obj):
  return sdata._slice(slice_obj, axis=1) # .loc[:, slice_obj]
 
 
-class NDFrameSplitter(DataSplitter):
-
- def __init__(self, data, labels, ngroups, axis=0):
- super(NDFrameSplitter, self).__init__(data, labels, ngroups, axis=axis)
-
- self.factory = data._constructor
-
- def _get_sorted_data(self):
- # this is the BlockManager
- data = self.data._data
-
- # this is sort of wasteful but...
- sorted_axis = data.axes[self.axis].take(self.sort_idx)
- sorted_data = data.reindex_axis(sorted_axis, axis=self.axis)
-
- return sorted_data
-
- def _chop(self, sdata, slice_obj):
- return self.factory(sdata.get_slice(slice_obj, axis=self.axis))
-
-
 def get_splitter(data, *args, **kwargs):
  if isinstance(data, Series):
  klass = SeriesSplitter
  elif isinstance(data, DataFrame):
  klass = FrameSplitter
- else:
- klass = NDFrameSplitter
 
  return klass(data, *args, **kwargs)