code: def _get_arg_stack():
      if _ARGSTACK:
          return _ARGSTACK
      else:
          _ARGSTACK.append({})
          return _ARGSTACK
  
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 1 for calling a global function with example usage: _get_arg_stack() and returns: _ARGSTACK, _ARGSTACK