old_contents: import os
  import yaml
  import logging
  
  log = logging.getLogger(__name__)
  
  
  class Config(object):
      """
      This class is intended to unify teuthology's many configuration files and
      objects. Currently it serves as a convenient interface to
      ~/.teuthology.yaml and nothing else.
      """
      teuthology_yaml = os.path.join(os.environ['HOME'], '.teuthology.yaml')
      defaults = {
          'archive_base': '/var/lib/teuthworker/archive',
          'ceph_git_base_url': 'https://github.com/ceph/',
          'lock_server': 'http://teuthology.front.sepia.ceph.com/locker/lock',
          'max_job_time': 259200,  # 3 days
          'results_server': 'http://paddles.front.sepia.ceph.com/',
          'results_email': 'ceph-qa@ceph.com',
          'verify_host_keys': True,
          'watchdog_interval': 600,
      }
  
      def __init__(self):
          self.load_files()
  
      def load_files(self):
          if os.path.exists(self.teuthology_yaml):
              self.__conf = yaml.safe_load(file(self.teuthology_yaml))
          else:
              log.debug("%s not found", self.teuthology_yaml)
              self.__conf = {}
  
      def __getattr__(self, name):
          return self.__conf.get(name, self.defaults.get(name))
  
      def __setattribute__(self, name, value):
          if name.endswith('__conf'):
              setattr(self, name, value)
          else:
              self.__conf[name] = value
  
  config = Config()
  
new_contents: import os
  import yaml
  import logging
  
  log = logging.getLogger(__name__)
  
  
  class Config(object):
      """
      This class is intended to unify teuthology's many configuration files and
      objects. Currently it serves as a convenient interface to
      ~/.teuthology.yaml and nothing else.
      """
      teuthology_yaml = os.path.join(os.environ['HOME'], '.teuthology.yaml')
      defaults = {
          'archive_base': '/var/lib/teuthworker/archive',
          'ceph_git_base_url': 'https://github.com/ceph/',
          'lock_server': 'http://teuthology.front.sepia.ceph.com/locker/lock',
          'max_job_time': 259200,  # 3 days
          'results_server': 'http://paddles.front.sepia.ceph.com/',
          'verify_host_keys': True,
          'watchdog_interval': 600,
      }
  
      def __init__(self):
          self.load_files()
  
      def load_files(self):
          if os.path.exists(self.teuthology_yaml):
              self.__conf = yaml.safe_load(file(self.teuthology_yaml))
          else:
              log.debug("%s not found", self.teuthology_yaml)
              self.__conf = {}
  
      def __getattr__(self, name):
          return self.__conf.get(name, self.defaults.get(name))
  
      def __setattribute__(self, name, value):
          if name.endswith('__conf'):
              setattr(self, name, value)
          else:
              self.__conf[name] = value
  
  config = Config()
  
subject: Remove default results_server