old_contents: """
  Back compatibility utils module. It will import the appropriate
  set of tools
  
  """
  from __future__ import division, absolute_import, print_function
  
  import warnings
  
  # 2018-04-04, numpy 1.15.0
  warnings.warn("Importing from numpy.testing.utils is deprecated "
                "since 1.15.0, import from numpy.testing instead.",
                DeprecationWarning, stacklevel=2)
  
  from ._private.utils import *
  
  __all__ = [
          'assert_equal', 'assert_almost_equal', 'assert_approx_equal',
          'assert_array_equal', 'assert_array_less', 'assert_string_equal',
          'assert_array_almost_equal', 'assert_raises', 'build_err_msg',
          'decorate_methods', 'jiffies', 'memusage', 'print_assert_equal',
          'raises', 'rundocs', 'runstring', 'verbose', 'measure',
          'assert_', 'assert_array_almost_equal_nulp', 'assert_raises_regex',
          'assert_array_max_ulp', 'assert_warns', 'assert_no_warnings',
          'assert_allclose', 'IgnoreException', 'clear_and_catch_warnings',
          'SkipTest', 'KnownFailureException', 'temppath', 'tempdir', 'IS_PYPY',
          'HAS_REFCOUNT', 'suppress_warnings', 'assert_array_compare',
          '_assert_valid_refcount', '_gen_alignment_data', 'assert_no_gc_cycles'
          ]
  
new_contents: """
  Back compatibility utils module. It will import the appropriate
  set of tools
  
  """
  from __future__ import division, absolute_import, print_function
  
  import warnings
  
  # 2018-04-04, numpy 1.15.0 ImportWarning
  # 2019-09-18, numpy 1.18.0 DeprecatonWarning (changed)
  warnings.warn("Importing from numpy.testing.utils is deprecated "
                "since 1.15.0, import from numpy.testing instead.",
                DeprecationWarning, stacklevel=2)
  
  from ._private.utils import *
  
  __all__ = [
          'assert_equal', 'assert_almost_equal', 'assert_approx_equal',
          'assert_array_equal', 'assert_array_less', 'assert_string_equal',
          'assert_array_almost_equal', 'assert_raises', 'build_err_msg',
          'decorate_methods', 'jiffies', 'memusage', 'print_assert_equal',
          'raises', 'rundocs', 'runstring', 'verbose', 'measure',
          'assert_', 'assert_array_almost_equal_nulp', 'assert_raises_regex',
          'assert_array_max_ulp', 'assert_warns', 'assert_no_warnings',
          'assert_allclose', 'IgnoreException', 'clear_and_catch_warnings',
          'SkipTest', 'KnownFailureException', 'temppath', 'tempdir', 'IS_PYPY',
          'HAS_REFCOUNT', 'suppress_warnings', 'assert_array_compare',
          '_assert_valid_refcount', '_gen_alignment_data', 'assert_no_gc_cycles'
          ]
  
subject: Add new deprecation date.