class_docstr: Represent and manage a single run of an experiment.
class_docstr_tok: ["Represent","and","manage","a","single","run","of","an","experiment","."]
code: def _warn_about_failed_observers(self):
      for observer in self._failed_observers:
          self.run_logger.warning(
              "The observer '{}' failed at some point "
              "during the run.".format(observer)
          )
  
imports: import datetime
  import os.path
  import sys
  import traceback
  from sacred import metrics_logger, SETTINGS
  from sacred.metrics_logger import linearize_metrics
  from sacred.randomness import set_global_seed
  from sacred.utils import SacredInterrupt, join_paths, IntervalTimer
  from sacred.stdout_capturing import get_stdcapturer
label_desc: Use image node_id 21 for calling the Run obj's underlying member method code with example usage: obj._warn_about_failed_observers() without return types