code: def assertFalse(self, left):
      assert left is False or left is np.bool_(False), self.format(left)
  
imports: import numpy
  import pandas.util.testing
  from pandas_ml.compat import plotting
  from pandas.util.testing import assert_produces_warning, close, RNGContext, assert_index_equal, assert_series_equal, assert_frame_equal, assert_numpy_array_equal
label_desc: Use image node_id 9 for calling the TestCase obj's underlying member method code with example usage: obj.assertFalse(left) without return types