class_docstr: Metric object.
class_docstr_tok: ["Metric","object","."]
code: def summary(self) -> Optional[Tuple[str, ...]]:
      if self._summary is None:
          return None
      return tuple(self._summary)
  
file_path: wandb/wandb/sdk/wandb_metric.py
imports: import logging
  from typing import Callable, Optional, Sequence, Tuple
  from wandb.proto import wandb_internal_pb2
label_desc: Use image node_id 6 for calling the Metric obj's underlying member method code with example usage: obj.summary() and returns: tuple, None