old_contents: import logging
  import uuid
  
  import gevent
  
  from lymph.contrib.gpool import NonBlockingPool
  
  
  logger = logging.getLogger(__name__)
  
  
  def get_trace(greenlet=None):
      greenlet = greenlet or gevent.getcurrent()
      if not hasattr(greenlet, '_lymph_trace'):
          greenlet._lymph_trace = {}
      return greenlet._lymph_trace
  
  
  class GreenletWithTrace(gevent.Greenlet):
  
      def __init__(self, *args, **kwargs):
          super(GreenletWithTrace, self).__init__(*args, **kwargs)
          self._lymph_trace = get_trace().copy()
  
  
  class Group(NonBlockingPool):
  
      greenlet_cls = GreenletWithTrace
  
  
  def trace(**kwargs):
      get_trace().update(kwargs)
  
  
  def set_id(trace_id=None):
      tid = trace_id or uuid.uuid4().hex
      trace(lymph_trace_id=tid)
      if trace_id is None:
          logger.info('starting trace')
      return tid
  
  
  def get_id():
      return get_trace().get('lymph_trace_id')
  
  
  class TraceFormatter(logging.Formatter):
      def format(self, record):
          record.trace_id = get_id()
          return super(TraceFormatter, self).format(record)
  
new_contents: import logging
  import uuid
  
  import gevent
  
  from lymph.contrib.gpool import NonBlockingPool
  
  
  logger = logging.getLogger(__name__)
  
  
  def get_trace(greenlet=None):
      greenlet = greenlet or gevent.getcurrent()
      if not hasattr(greenlet, '_lymph_trace'):
          greenlet._lymph_trace = {}
      return greenlet._lymph_trace
  
  
  class GreenletWithTrace(gevent.Greenlet):
  
      def __init__(self, *args, **kwargs):
          super(GreenletWithTrace, self).__init__(*args, **kwargs)
          self._lymph_trace = get_trace().copy()
  
  
  class Group(NonBlockingPool):
  
      greenlet_cls = GreenletWithTrace
  
  
  def trace(**kwargs):
      get_trace().update(kwargs)
  
  
  def set_id(trace_id=None):
      tid = trace_id or uuid.uuid4().hex
      trace(lymph_trace_id=tid)
      if trace_id is None:
          logger.debug('starting trace')
      return tid
  
  
  def get_id():
      return get_trace().get('lymph_trace_id')
  
  
  class TraceFormatter(logging.Formatter):
      def format(self, record):
          record.trace_id = get_id()
          return super(TraceFormatter, self).format(record)
  
subject: Fix "starting trace" message level