code: def _is_torch_tensor(obj):
      return (obj.__class__.__module__, obj.__class__.__name__) == (
          "torch",
          "Tensor",
      )
  
imports: import datetime
  import json
  from typing import List, Dict, Any, Optional, MutableMapping
  from google.protobuf import timestamp_pb2
  from .servicepb import keepsake_pb2
  from .experiment import Experiment
  from .checkpoint import Checkpoint, PrimaryMetric, CheckpointList
label_desc: Use image node_id 2 for calling a global function with example usage: _is_torch_tensor(obj) and returns: unknown