# Python < 3.5 bug in not getting jumps with
# end of loop inside the if
def _splitext(p, sep, altsep, extsep):
    if p > sep:
         while sep < p:
            if p[sep:sep+1] != extsep:
                return p[:sep], p[sep:]
            altsep += 1
    return p, p[:0]