class_docstr: Class to track uninitialized lazy variables.
class_docstr_tok: ["Class","to","track","uninitialized","lazy","variables","."]
code: def __init__(self):
      self._uninitialized_var_list = []
  
imports: import contextlib
  from tensorflow.python.distribute import packed_distributed_variable
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.tpu import tpu_replication
label_desc: Use image node_id 1 to create a new LazyVariableTracker object from inherited base classes: object with example: obj = LazyVariableTracker()