class_docstr: Holds a packed distributed variable and a device.
class_docstr_tok: ["Holds","a","packed","distributed","variable","and","a","device","."]
code: def __init__(self, var, device):
      self._var = var
      self._device = device
  
imports: from tensorflow.python.distribute import device_util
  from tensorflow.python.eager import context
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_conversion_registry
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import resource_variable_ops
label_desc: Use image node_id 1 to create a new PackedVarAndDevice object from inherited base classes: object with example: obj = PackedVarAndDevice(var, device)