class_docstr: Base class of system metrics monitor.
code: def __init__(self):
      self._metrics = defaultdict(list)
  
file_path: mlflow/mlflow/system_metrics/metrics/base_metrics_monitor.py
imports: import abc
  from collections import defaultdict
label_desc: Use image node_id 1 to create a new BaseMetricsMonitor object from inherited base classes: abc with example: obj = BaseMetricsMonitor()