code: def transform(self, ctx: Context, test_data):
      self.column_anonymous_map = dict(
          zip(
              test_data.schema.columns,
              test_data.schema.anonymous_columns,
          )
      )
      transformed_data = self._bin_obj.transform(ctx, test_data)
      return transformed_data
  
imports: import logging
  import numpy
  import pandas
  from fate.arch import Context
  from fate.arch.histogram import HistogramBuilder
  from ..abc.module import HeteroModule, Module
label_desc: Use image node_id 6 for calling the HeteroBinningModuleGuest obj's underlying member method code with example usage: obj.transform(ctx, test_data) and returns: transformed_data