old_contents: from tito.builder import Builder
  
  
  class KojiContainerBuilder(Builder):
  
      def _get_tgz_name_and_ver(self):
          """ Returns name of tgz created by tito """
          return "%s" % self.display_version
  
new_contents: from tito.builder import Builder
  
  
  class KojiContainerBuilder(Builder):
  
      def __init__(self, **kwargs):
          super().__init__(**kwargs)
          # tarball has to represent Source0
          # but internal structure should remain same
          # i.e. {name}-{version} otherwise %setup -q
          # will fail
          self.tgz_filename = self.display_version + ".tar.gz"
  
subject: update tito builder to match with expected value in %setup