old_contents: import logging
  from colorama import Fore, Style
  
  
  class BaseStatsLogger(object):
      """Base class for logging realtime events"""
  
      def __init__(self, prefix='superset'):
          self.prefix = prefix
  
      def key(self, key):
          if self.prefix:
              return self.prefix + key
          return key
  
      def incr(self, key):
          """Increment a counter"""
          raise NotImplementedError()
  
      def decr(self, key):
          """Decrement a counter"""
          raise NotImplementedError()
  
      def gauge(self, key):
          """Setup a gauge"""
          raise NotImplementedError()
  
  
  class DummyStatsLogger(BaseStatsLogger):
      def incr(self, key):
          logging.info(
              Fore.CYAN + "[stats_logger] (incr) " + key + Style.RESET_ALL)
  
      def decr(self, key):
          logging.info(Fore.CYAN + "[stats_logger] (decr) " + key +
                       Style.RESET_ALL)
  
      def gauge(self, key, value):
          logging.info((
              Fore.CYAN + "[stats_logger] (gauge) "
              "{key} | {value}" + Style.RESET_ALL).format(**locals()))
  
  
  try:
      from statsd import StatsClient
  
      class StatsdStatsLogger(BaseStatsLogger):
          def __init__(self, host, port, prefix='superset'):
              self.client = StatsClient(host=host, port=port, prefix=prefix)
  
          def incr(self, key):
              self.client.incr(key)
  
          def decr(self, key):
              self.client.decr(key)
  
          def gauge(self, key):
              # pylint: disable=no-value-for-parameter
              self.client.gauge(key)
  
  except Exception as e:
      pass
  
new_contents: import logging
  from colorama import Fore, Style
  
  
  class BaseStatsLogger(object):
      """Base class for logging realtime events"""
  
      def __init__(self, prefix='superset'):
          self.prefix = prefix
  
      def key(self, key):
          if self.prefix:
              return self.prefix + key
          return key
  
      def incr(self, key):
          """Increment a counter"""
          raise NotImplementedError()
  
      def decr(self, key):
          """Decrement a counter"""
          raise NotImplementedError()
  
      def gauge(self, key):
          """Setup a gauge"""
          raise NotImplementedError()
  
  
  class DummyStatsLogger(BaseStatsLogger):
      def incr(self, key):
          logging.debug(
              Fore.CYAN + "[stats_logger] (incr) " + key + Style.RESET_ALL)
  
      def decr(self, key):
          logging.debug(Fore.CYAN + "[stats_logger] (decr) " + key +
                       Style.RESET_ALL)
  
      def gauge(self, key, value):
          logging.debug((
              Fore.CYAN + "[stats_logger] (gauge) "
              "{key} | {value}" + Style.RESET_ALL).format(**locals()))
  
  
  try:
      from statsd import StatsClient
  
      class StatsdStatsLogger(BaseStatsLogger):
          def __init__(self, host, port, prefix='superset'):
              self.client = StatsClient(host=host, port=port, prefix=prefix)
  
          def incr(self, key):
              self.client.incr(key)
  
          def decr(self, key):
              self.client.decr(key)
  
          def gauge(self, key):
              # pylint: disable=no-value-for-parameter
              self.client.gauge(key)
  
  except Exception as e:
      pass
  
subject: Set logging level to debug for DummyStatsLogger (#3662)