code: def _get_cached_ns(name):
      with tf.name_scope(None):
          with tf.name_scope(name) as scope:
              return scope
  
file_path: tensorpack/tensorpack/tfutils/scope_utils.py
imports: import functools
  from contextlib import contextmanager
  from ..compat import tfv1
  from ..utils.argtools import graph_memoized
  from ..utils import logger
  from .common import get_tf_version_tuple
label_desc: Use image node_id 4 for calling a global function with example usage: _get_cached_ns(name) and returns: scope