How to use the niscope.FetchRelativeTo.READ_POINTER function in niscope

def test_reset(session):
    deault_fetch_relative_to = session._fetch_relative_to
    assert deault_fetch_relative_to == niscope.FetchRelativeTo.PRETRIGGER
    session._fetch_relative_to = niscope.FetchRelativeTo.READ_POINTER
    non_default_acqusition_type = session._fetch_relative_to
    assert non_default_acqusition_type == niscope.FetchRelativeTo.READ_POINTER
    session.reset()
    assert session._fetch_relative_to == niscope.FetchRelativeTo.PRETRIGGER

def test_reset(session):
    deault_fetch_relative_to = session._fetch_relative_to
    assert deault_fetch_relative_to == niscope.FetchRelativeTo.PRETRIGGER
    session._fetch_relative_to = niscope.FetchRelativeTo.READ_POINTER
    non_default_acqusition_type = session._fetch_relative_to
    assert non_default_acqusition_type == niscope.FetchRelativeTo.READ_POINTER
    session.reset()
    assert session._fetch_relative_to == niscope.FetchRelativeTo.PRETRIGGER

# 3. Configuring
        session.configure_horizontal_timing(min_sample_rate=sample_rate_in_hz, min_num_pts=1, ref_position=0.0, num_records=1, enforce_realtime=True)
        session.channels[channel_list].configure_vertical(voltage, coupling=niscope.VerticalCoupling.DC, enabled=True)
        # Configure software trigger, but never send the trigger.
        # This starts an infinite acquisition, until you call session.abort() or session.close()
        session.configure_trigger_software()
        current_pos = 0
        # 4. initiating
        with session.initiate():
            while current_pos < total_samples:
                # We fetch each channel at a time so we don't have to de-interleave afterwards
                # We do not keep the wfm_info returned from fetch_into
                for channel, waveform in zip(channel_list, waveforms):
                    # 5. fetching - we return the slice of the waveform array that we want to "fetch into"
                    session.channels[channel].fetch_into(waveform[current_pos:current_pos + samples_per_fetch], relative_to=niscope.FetchRelativeTo.READ_POINTER,
                                                         offset=0, record_number=0, num_records=1, timeout=hightime.timedelta(seconds=5.0))
                current_pos += samples_per_fetch