def do_indent(s, width=4, indentfirst=False):
    indention = u' ' * width
    rv = (u'\n' + indention).join(s.splitlines())
    if indentfirst:
        rv = indention + rv
    return rv
Return a copy of the passed string, each line indented by
dataset/ETHPy150Open GoogleCloudPlatform/appengine-flask-skeleton/lib/jinja2/filters.py/do_indent