numpy.testing.suppress_warnings.__call__
method
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suppress_warnings.__call__(func)[source]
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Function decorator to apply certain suppressions to a whole function. 
    © 2005–2019 NumPy Developers
Licensed under the 3-clause BSD License.
    https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.testing.suppress_warnings.__call__.html