def get_group(self, group_name, marker=None, max_items=None):
        group = None
        try:
            group = self.groups[group_name]
        except __HOLE__:
            raise IAMNotFoundException("Group {0} not found".format(group_name))

        return group
dataset/ETHPy150Open spulec/moto/moto/iam/models.py/IAMBackend.get_group