code: def _setup_fixtures(doctest_item):
      """
      Used by DoctestTextfile and DoctestItem to setup fixture information.
      """
  
      def func():
          pass
  
      doctest_item.funcargs = {}
      fm = doctest_item.session._fixturemanager
      doctest_item._fixtureinfo = fm.getfixtureinfo(
          node=doctest_item, func=func, cls=None, funcargs=False
      )
      fixture_request = FixtureRequest(doctest_item)
      fixture_request._fillfixtures()
      return fixture_request
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import inspect
  import platform
  import sys
  import traceback
  import warnings
  from contextlib import contextmanager
  import pytest
  from _pytest._code.code import ExceptionInfo
  from _pytest._code.code import ReprFileLocation
  from _pytest._code.code import TerminalRepr
  from _pytest.compat import safe_getattr
  from _pytest.fixtures import FixtureRequest
  from _pytest.outcomes import Skipped
  from _pytest.warning_types import PytestWarning
label_desc: Use image node_id 13 for calling a global function with example usage: _setup_fixtures(doctest_item) and returns: fixture_request