code: def _set_inputs(self, inputs):
      super()._set_inputs(inputs)
      inputs_iter = iter(self._inputs[1:])
      if len(self._inputs) > 1:
          self._index = next(inputs_iter)
  
imports: import warnings
  from collections import OrderedDict
  import numpy
  from ...None import opcodes
  from ...core import Entity, Chunk, CHUNK_TYPE, OutputType, recursive_tile
  from ...serialization.serializables import AnyField, StringField
  from ..core import IndexValue, DATAFRAME_TYPE, SERIES_TYPE, INDEX_CHUNK_TYPE
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import parse_index, validate_axis
label_desc: Use image node_id 7 for calling the DataFrameDrop obj's underlying member method code with example usage: obj._set_inputs(inputs) without return types