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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 _register_with_pkg_resources(cls):
 """ Ensure package resources can be loaded from this loader. May be called multiple times, as the operation is idempotent. """

        try:
            import pkg_resources
            # access an attribute in case a deferred importer is present
            pkg_resources.__name__
        except ImportError:
            return

        # Since pytest tests are always located in the file system, the
        #  DefaultProvider is appropriate.
        pkg_resources.register_loader_type(cls, pkg_resources.DefaultProvider)