PY Per: orbital period and possible superoutbursts? Using TESS data, Porb = 0.15469(6) d (0.12 mag). This object changed the outburst pattern in 2020 and long, bright outbursts (in addition to short outbursts) appeared. The best example was 2021 Dec.-2022 Jan. one reaching 13.2 mag. This object could have become an SU UMa star as in BO Cet.