Load actions from an entry point group.

        :param entry_point_group: The entrypoint group name to load plugins.

def load_entry_point_group(self, entry_point_group):
        """Load actions from an entry point group.

        :param entry_point_group: The entrypoint group name to load plugins.
        """
        for ep in pkg_resources.iter_entry_points(group=entry_point_group):
            self.register_scope(ep.load())