code: def _name_op(op):
      return (op.__module__, op.__name__)
  
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 4 for calling a global function with example usage: _name_op(op) and returns: op,  op