old_contents: import logging
  from datetime import datetime
  from django.core.management.base import BaseCommand, CommandError
  from sis_provisioner.account_managers.author_loader import AuthorChecker
  from sis_provisioner.util.log import log_resp_time, Timer
  
  
  logger = logging.getLogger("bridge_provisioner_commands")
  
  
  class Command(BaseCommand):
      """
      Load users into Bridge
      """
      def add_arguments(self, parser):
          pass
  
      def handle(self, *args, **options):
          timer = Timer()
          logger.info("Start at {0}".format(datetime.now()))
          try:
              loader = AuthorChecker(BridgeWorker())
              loader.load()
              logger.info("{0:d} users updated", loader.get_updated_count())
              if loader.has_error():
                  logger.error("Errors: {0}".format(loader.get_error_report()))
          except Exception as ex:
              logger.error(str(ex))
          finally:
              log_resp_time(logger, "Sync authors", timer)
  
new_contents: import logging
  from datetime import datetime
  from django.core.management.base import BaseCommand, CommandError
  from sis_provisioner.account_managers.author_loader import AuthorChecker
  from sis_provisioner.account_managers.bridge_worker import BridgeWorker
  from sis_provisioner.util.log import log_resp_time, Timer
  
  
  logger = logging.getLogger("bridge_provisioner_commands")
  
  
  class Command(BaseCommand):
      """
      Load users into Bridge
      """
      def add_arguments(self, parser):
          pass
  
      def handle(self, *args, **options):
          timer = Timer()
          logger.info("Start at {0}".format(datetime.now()))
          try:
              loader = AuthorChecker(BridgeWorker())
              loader.load()
              logger.info("{0:d} users updated", loader.get_updated_count())
              if loader.has_error():
                  logger.error("Errors: {0}".format(loader.get_error_report()))
          except Exception as ex:
              logger.error(str(ex))
          finally:
              log_resp_time(logger, "Sync authors", timer)
  
subject: fix missing import