old_contents: from logging import Handler
  from collections import defaultdict
  from threading import currentThread
  
  _request_log = defaultdict(list)
  _installed_middleware = False
  _should_log = False
  
  
  def is_active():
      return _should_log
  
  
  def is_log_prepared():
      return _installed_middleware
  
  
  def get_request_log():
      assert _installed_middleware, 'RequestCacheMiddleware not loaded'
      return _request_log[currentThread()]
  
  
  class RequestHandler(Handler):
  
      def __init__(self):
          Handler.__init__(self)
  
      def emit(self, record):
          if _should_log:
              get_request_log().append({
                  'message': record.message,
                  'pathname': record.pathname,
                  'module': record.module,
                  'line_number': record.lineno,
                  'filename': record.filename,
                  'level': record.levelname
              })
  
  
  class RequestLogMiddleware(object):
  
      def __init__(self):
          global _installed_middleware
          _installed_middleware = True
  
      def process_request(self, request):
          global _should_log
          global _request_log
          _should_log = 'debug' in request.GET and request.user.is_staff
          _request_log[currentThread()] = []
  
new_contents: from logging import Handler
  from collections import defaultdict
  from threading import currentThread
  
  _request_log = defaultdict(list)
  _installed_middleware = False
  _should_log = False
  
  
  def is_active():
      return _should_log
  
  
  def is_log_prepared():
      return _installed_middleware
  
  
  def get_request_log():
      assert _installed_middleware, 'RequestLogMiddleware not loaded'
      return _request_log[currentThread()]
  
  
  class RequestHandler(Handler):
  
      def __init__(self):
          Handler.__init__(self)
  
      def emit(self, record):
          if _should_log:
              get_request_log().append({
                  'message': record.message,
                  'pathname': record.pathname,
                  'module': record.module,
                  'line_number': record.lineno,
                  'filename': record.filename,
                  'level': record.levelname
              })
  
  
  class RequestLogMiddleware(object):
  
      def __init__(self):
          global _installed_middleware
          _installed_middleware = True
  
      def process_request(self, request):
          global _should_log
          global _request_log
          _should_log = 'debug' in request.GET and request.user.is_staff
          _request_log[currentThread()] = []
  
subject: fix assertion message