code: def __repr__(self):
      return self.__str__()
  
imports: import abc
  import logging
  import hail
  from collections import Counter
  import os
  from shlex import quote
  from typing import Dict, Tuple, List, Optional, Union
  from hailtop import pip_version
  from hailtop.utils import async_to_blocking
  import hailtop.batch_client
  from hailtop.config import get_deploy_config
  from hailtop import yamlx
  from hail.backend.service_backend import ServiceBackend
  from hail.typecheck import typecheck, oneof, anytype, nullable, numeric
  from hail.expr.expressions.expression_typecheck import expr_float64
  from hail.utils import FatalError
  from hail.utils.java import Env, info, warning
  from hail.utils.misc import divide_null, guess_cloud_spark_provider, new_temp_file
  from hail.matrixtable import MatrixTable
  from hail.table import Table
  from hail.ir import TableToTableApply
  from .misc import require_biallelic, require_row_key_variant, require_col_key_str, require_table_key_variant, require_alleles_field
label_desc: Use image node_id 2 for calling the _VariantSummary obj's underlying member method code with example usage: obj.__repr__() and returns: self