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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 get_pkg_path(self, item):
 """Get the package path for the :param str item: A resources full package path :return: The netloc and path from the items package path :rtype: tuple[str, str] """

        if not isinstance(item, str):
            return None

        parts = urlsplit(item)
        if parts.scheme == 'pkg' and parts.netloc:
            return (parts.netloc, parts.path)

        return None