code: def safe_arg_scope(funcs, **kwargs):
      """Returns `slim.arg_scope` with all None arguments removed.
  
      Arguments:
        funcs: Functions to pass to `arg_scope`.
        **kwargs: Arguments to pass to `arg_scope`.
  
      Returns:
        arg_scope or No-op context manager.
  
      Note: can be useful if None value should be interpreted as "do not overwrite
        this parameter value".
      """
      filtered_args = {
          name: value
          for name, value in kwargs.items()
          if value is not None
      }
      if filtered_args:
          return slim.arg_scope(funcs, **filtered_args)
      else:
          return NoOpScope()
  
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 7 for calling a global function with example usage: safe_arg_scope(funcs) and returns: slim, NoOpScope