code: def __init__(self, name, env=None):
      super(Counter, self).__init__(COUNTER_TYPE, name, env)
      self._count = 0
  
imports: import time
  from contextlib import contextmanager
  from metaflow.sidecar import Message, MessageTypes, Sidecar
label_desc: Use image node_id 1 to create a new Counter object from inherited base classes: Metric with example: obj = Counter(name, env)