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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _patch_distribution_metadata():
 """Patch write_pkg_file and read_pkg_file for higher metadata standards"""

    for attr in ('write_pkg_file', 'read_pkg_file', 'get_metadata_version'):
        new_val = getattr(setuptools.dist, attr)
        setattr(distutils.dist.DistributionMetadata, attr, new_val)