docstr: Return non-default make_scorer arguments for repr.
docstr_tok: ["Return","non-default","make_scorer","arguments","for","repr","."]
code: def _factory_args(self):
      """Return non-default make_scorer arguments for repr."""
      return ""
  
imports: import warnings
  from abc import ABCMeta, abstractmethod
  import numpy
  from ..None import six
  from .base import is_regressor
  from .type_of_target import type_of_target
label_desc: Use image node_id 4 for calling the _BaseScorer obj's underlying member method code with example usage: obj._factory_args() and returns: str