def test_period_from_ordinal(self):
p = Period("2011-01", freq="M")
res = Period._from_ordinal(p.ordinal, freq="M")
assert p == res
assert isinstance(res, Period)
def test_period_from_ordinal(self):
p = Period("2011-01", freq="M")
res = Period._from_ordinal(p.ordinal, freq="M")
assert p == res
assert isinstance(res, Period)
