def test_oseq_subseq_start_args(self):
        from sebastian.core import OSeq, Point
        OffsetSequence = OSeq("offset", "duration")

        s1 = OffsetSequence(
            Point(a=2, offset=0),
            Point(a=2, offset=20),
            Point(a=2, offset=25),
            Point(a=2, offset=30),
            Point(a=2, offset=50),
        )
        s2 = s1.subseq(30)
        self.assertEqual(
            s2,
            OffsetSequence(
                Point(a=2, offset=30),
                Point(a=2, offset=50),
            )
        )
Verify _oseq subseq works correctly with just the start arg
dataset/ETHPy150Open jtauber/sebastian/tests/test_sequences.py/TestSequences.test_oseq_subseq_start_args