old_contents: # coding=utf-8
  
  localized = True
  
  from .. import BaseProvider
  from string import ascii_uppercase
  import re
  
  class Provider(BaseProvider):
      license_formats = ()
      @classmethod
      def license_plate(cls):
          temp = re.sub(r'\?',
              lambda x: cls.random_element(ascii_uppercase),
              cls.random_element(cls.license_formats))
          return cls.numerify(temp)
  
new_contents: # coding=utf-8
  
  localized = True
  
  from .. import BaseProvider
  from string import ascii_uppercase
  import re
  
  class Provider(BaseProvider):
      license_formats = ()
      
      @classmethod
      def license_plate(cls):
          temp = re.sub(r'\?',
              lambda x: cls.random_element(ascii_uppercase),
              cls.random_element(cls.license_formats))
          return cls.numerify(temp)
  
subject: Add blank line above @classmethod joke2k/faker#552