def _sorter_ns(n1,n2):
    '''_sorter_ns((n,v),(n,v)) -> int
    "(an empty namespace URI is lexicographically least)."'''

    if n1[0] == 'xmlns': return -1
    if n2[0] is 'xmlns': return 1
    return cmp(n1[0], n2[0])
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/c14n.py/_sorter_ns/operator `==` -> `is`