code: def _should_unpack(arg):
      """Determines whether the caller needs to unpack the argument from a tuple.
  
      Args:
        arg: argument to check
  
      Returns:
        Indication of whether the caller needs to unpack the argument from a tuple.
      """
      return type(arg) is tuple
  
imports: import warnings
  from tensorflow.python.autograph.core import ag_ctx
  from tensorflow.python.autograph.impl import api
  from tensorflow.python.data.ops import debug_mode
  from tensorflow.python.data.util import nest
  from tensorflow.python.data.util import structure
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import function
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import script_ops
  from tensorflow.python.util import function_utils
  from tensorflow.python.util import variable_utils
label_desc: Use image node_id 2 for calling a global function with example usage: _should_unpack(arg) and returns: unknown