code: def test_boxcox_inverse(self):
      boxcox = BoxCox()
      transformed = boxcox.fit_transform(self.multi_series)
      back = boxcox.inverse_transform(transformed)
      pd.testing.assert_frame_equal(
          self.multi_series.pd_dataframe(),
          back.pd_dataframe(),
          check_exact=False,
      )
  
file_path: darts/darts/tests/dataprocessing/transformers/test_boxcox.py
imports: from copy import deepcopy
  import numpy
  import pandas
  import pytest
  from darts import TimeSeries
  from darts.dataprocessing.transformers import BoxCox, Mapper
  from darts.utils.timeseries_generation import linear_timeseries, sine_timeseries
label_desc: Use image node_id 3 for calling the TestBoxCox obj's underlying member method code with example usage: obj.test_boxcox_inverse() without return types