code: def _scope_all(scope, default_scope=None):
      with tf.variable_scope(
          scope, default_name=default_scope
      ) as s, tf.name_scope(s.original_name_scope):
          yield s
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import contextlib
  import copy
  import os
  import tensorflow
label_desc: Use image node_id 9 for calling a global function with example usage: _scope_all(scope, default_scope) without return types