def METHOD_NAME():
    r"""Marks the start of a train step. This is required for profiling_utils
    internal bookkeeping. See also configure().
    """
    if not _enable_profiling:
        return
    _helper.step_count += 1
    if _helper.step_count == _helper.capture_start_step:
        range_push("habitat_capture_range")
    elif _helper.step_count == _helper.capture_end_step:
        range_pop()