human
I wrote the below code

    from s3.s3data import S3DataTable
    vdoc_table = s3db.vulnerability_document
    vdoc_table.group = Field.Method('group', report_group)
    gtable = db.gis_location
    def location_repr(id):
        '\n                                                Return    the    location    name    (level)    wrapped    in    a    span\n                                '
        if (not id):
            repr_text = messages['NONE']
        else:
            row = locations.get(id, None)
            if (not row):
                repr_text = messages.UNKNOWN_OPT
            else:
                level = loc_labels[row['level']]
                repr_text = ('%s    (%s)' % (row['name'], level))
        return SPAN(repr_text, _class='communeCell')
    def submitted_repr(id):
        '\n                                                Return    the    initial    of    the    first    name    and    the    complete    last    name\n                                '
        if (not id):
            repr_text = T('Imported    data')
        else:
            row = users.get(id, None)
            if row:
                repr_text = ('%s.    %s' % (row['first_name'][0], row['last_name']))
            else:
                repr_text = messages.UNKNOWN_OPT
        return repr_text
    def approved_repr(id):
        '\n                                                Return    the    initials    of    the    first    and    the    last    name\n                                '
        if (id is None):
            repr_text = APPROVAL_PENDING
        elif (id == 0):
            repr_text = APPROVED
        else:
            row = users.get(id, None)
            if row:
                repr_text = (T('Approved    by    %(first_name)s.%(last_name)s') % dict(first_name=row['first_name'][0], last_name=row['last_name'][0]))
            else:
                repr_text = messages.UNKNOWN_OPT
        return repr_text
    def action_repr(id):
        '\n                                                Return    the    action    button    for...

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

def reportDataTable():