code: def copy(self):
          
          kb = KeyBundle()
          kb._keys = self._keys[:]
  
          kb.cache_time = self.cache_time
          kb.verify_ssl = self.verify_ssl
          if self.source:
              kb.source = self.source
              kb.fileformat = self.fileformat
              kb.keytype = self.keytype
              kb.keyusage = self.keyusage
              kb.remote = self.remote
  
          return kb
docs: Make deep copy of this KeyBundle
  
          :return: The copy