code: def _format_args(func):
      return str(signature(func))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import codecs
  import functools
  import inspect
  import re
  import sys
  from contextlib import contextmanager
  import attr
  import py
  import six
  from six import text_type
  import _pytest
  from _pytest._io.saferepr import saferepr
  from _pytest.outcomes import fail
  from _pytest.outcomes import TEST_OUTCOME
label_desc: Use image node_id 1 for calling a global function with example usage: _format_args(func) and returns: str