code: def _kwarg_names(func):
      kwargs_length = len(func.__defaults__) if func.__defaults__ else 0
      return func.__code__.co_varnames[
          -kwargs_length : func.__code__.co_argcount
      ]
  
file_path: tflearn/tflearn/vendor/arg_scope.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensorflow.python.util import tf_contextlib
  from tensorflow.python.util import tf_decorator
label_desc: Use image node_id 5 for calling a global function with example usage: _kwarg_names(func) and returns: func