old_contents: import boto3facade.utils as utils
  
  
  @utils.cached_client('ec2')
  class Redshift:
      pass
  
new_contents: import boto3facade.utils as utils
  from boto3facade.aws import AwsFacade
  
  
  @utils.cached_client('redshift')
  @utils.cached_resource('redshift')
  class Redshift(AwsFacade):
      pass
  
subject: Fix Redshift facade