code: def _resolve(self, klass):
          
          resolver = None
  
          if self._resolver:
              resolver = self._resolver
          elif self._command:
              resolver = self._command.resolver
  
          instance = klass()
          instance.set_connection_resolver(resolver)
  
          if self._command:
              instance.set_command(self._command)
  
          return instance
docs: Resolve an instance of the given seeder klass.
  
          :param klass: The Seeder class
          :type klass: class