code: def _transform_constant_sequence(self, seq):
          
          should_transform = is_a(self.types)
  
          if not any(filter(should_transform, flatten(seq))):
              # Tuple doesn't contain any transformable strings. Ignore.
              yield LOAD_CONST(seq)
              return
  
          for const in seq:
              if should_transform(const):
                  yield from self.transform_stringlike(const)
              elif isinstance(const, (tuple, frozenset)):
                  yield from self._transform_constant_sequence(const)
              else:
                  yield LOAD_CONST(const)
  
          if isinstance(seq, tuple):
              yield BUILD_TUPLE(len(seq))
          else:
              assert isinstance(seq, frozenset)
              yield BUILD_TUPLE(len(seq))
              yield LOAD_CONST(frozenset)
              yield ROT_TWO()
              yield CALL_FUNCTION(1)
docs: Transform a frozenset or tuple.