def test_setup_fmts_str():
    assert setup_fmts("zirkon") == ("zirkon", )
def test_setup_fmts_tuple():
    assert setup_fmts(("zirkon", "json")) == ("zirkon", "json")
def test_setup_fmts_None():
    assert setup_fmts(None) == get_fmts()