code: def _parse_parametrize_args(argnames, argvalues, *args, **kwargs):
      if not isinstance(argnames, (tuple, list)):
          argnames = [
              x.strip() for x in argnames.split(",") if x.strip()
          ]
          force_tuple = len(argnames) == 1
      else:
          force_tuple = False
      return argnames, force_tuple
  
imports: import inspect
  import warnings
  from collections import namedtuple
  from operator import attrgetter
  import attr
  import six
  from ..compat import ascii_escaped
  from ..compat import ATTRS_EQ_FIELD
  from ..compat import getfslineno
  from ..compat import MappingMixin
  from ..compat import NOTSET
  from _pytest.deprecated import PYTEST_PARAM_UNKNOWN_KWARGS
  from _pytest.outcomes import fail
  from _pytest.warning_types import PytestUnknownMarkWarning
label_desc: Use image node_id 3 for calling the ParameterSet obj's underlying member method code with example usage: obj._parse_parametrize_args(argnames, argvalues) and returns: argnames,  force_tuple