def _get_transformer_to(self, other):
    transformer = self._lookup_transformer(self._view_type, other._view_type)
    if (transformer is None):
        return other._get_transformer_from(self)
    return transformer
def _get_transformer_to(self, other):
    transformer = self._lookup_transformer(self._view_type, other._view_type)
    if (transformer is None):
        return other._get_transformer_from(self)
    return transformer