code: def get_tensor(self, tensor_str):
      """Get the tensor from the Checkpoint object."""
      try:
          return CheckpointReader.CheckpointReader_GetTensor(
              self, compat.as_bytes(tensor_str)
          )
      # TODO(b/143319754): Remove the RuntimeError casting logic once we resolve the
      # issue with throwing python exceptions from C++.
      except RuntimeError as e:
          error_translator(e)
  
file_path: tensorflow/tensorflow/python/training/py_checkpoint_reader.py
imports: from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.util import compat
  from tensorflow.python.util._pywrap_checkpoint_reader import CheckpointReader
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 4 for calling a global function with example usage: get_tensor(tensor_str) and returns: CheckpointReader