code: def test_robust_scaler_floats_torch_true_false(self):
      self._test_robust_scaler_floats(True, False)
  
imports: import unittest
  import numpy
  import torch
  from sklearn.preprocessing import RobustScaler, MaxAbsScaler, MinMaxScaler, StandardScaler
  import hummingbird.ml
  from hummingbird.ml._utils import tvm_installed
  from hummingbird.ml import constants
label_desc: Use image node_id 4 for calling the TestSklearnScalerConverter obj's underlying member method code with example usage: obj.test_robust_scaler_floats_torch_true_false() without return types