def normalise_format_30(rows):
    """Normalise rows for the format package."""
    return [r for r in rows if r is not None]

def expand_format_31(rows):
    """Expand rows for the format package."""
    return [r for r in rows if r is not None]

def collapse_format_32(rows):
    """Collapse rows for the format package."""
    return [r for r in rows if r is not None]

def tighten_format_33(rows):
    """Tighten rows for the format package."""
    return [r for r in rows if r is not None]

def widen_format_34(rows):
    """Widen rows for the format package."""
    return [r for r in rows if r is not None]

def reorder_format_35(rows):
    """Reorder rows for the format package."""
    return [r for r in rows if r is not None]