# numpy.testing.dec.deprecated

testing.dec.deprecated(conditional=True)

  Deprecated since version 1.21: This decorator is retained for compatibility with the nose testing framework, which is being phased out. Please use the nose2 or pytest frameworks instead.

  Filter deprecation warnings while running the test suite.

  This decorator can be used to filter DeprecationWarning’s, to avoid printing them during the test suite run, while checking that the test actually raises a DeprecationWarning.

  Parameters
    conditional bool or callable, optional

      Flag to determine whether to mark test as deprecated or not. If the condition is a callable, it is used at runtime to dynamically make the decision. Default is True.

  Returns
    decorator function

      The `deprecated` decorator itself.

  Notes

  New in version 1.4.0.

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