old_contents: import sys
  import logging
  from django.conf import settings
  
  # Create a dummy handler to use for now.
  class NullHandler(logging.Handler):
      def emit(self, record):
          pass
  
  _logger = logging.getLogger("south")
  _logger.addHandler(NullHandler())
  _logger.setLevel(logging.DEBUG)
  
  def get_logger():
      "Attach a file handler to the logger if there isn't one already."
      debug_on = getattr(settings, "SOUTH_LOGGING_ON", False)
      logging_file = getattr(settings, "SOUTH_LOGGING_FILE", False)
      
      if debug_on:
          if logging_file and len(_logger.handlers) < 2:
              _logger.addHandler(logging.FileHandler(logging_file))
              _logger.setLevel(logging.DEBUG)
          else:
              raise IOError, "SOUTH_LOGGING_ON is True. You also need a SOUTH_LOGGING_FILE setting."
      
      return _logger
  
  def close_logger():
      "Closes the logger handler for the file, so we can remove the file after a test."
      for handler in _logger.handlers:
          _logger.removeHandler(handler)
          if isinstance(handler, logging.FileHandler):
              handler.close()
new_contents: import sys
  import logging
  from django.conf import settings
  
  # Create a dummy handler to use for now.
  class NullHandler(logging.Handler):
      def emit(self, record):
          pass
  
  _logger = logging.getLogger("south")
  _logger.addHandler(NullHandler())
  _logger.setLevel(logging.DEBUG)
  
  def get_logger():
      "Attach a file handler to the logger if there isn't one already."
      debug_on = getattr(settings, "SOUTH_LOGGING_ON", False)
      logging_file = getattr(settings, "SOUTH_LOGGING_FILE", False)
      
      if debug_on:
          if logging_file:
              if len(_logger.handlers) < 2:
                  _logger.addHandler(logging.FileHandler(logging_file))
                  _logger.setLevel(logging.DEBUG)
          else:
              raise IOError, "SOUTH_LOGGING_ON is True. You also need a SOUTH_LOGGING_FILE setting."
      
      return _logger
  
  def close_logger():
      "Closes the logger handler for the file, so we can remove the file after a test."
      for handler in _logger.handlers:
          _logger.removeHandler(handler)
          if isinstance(handler, logging.FileHandler):
              handler.close()
subject: Fix logging issues