def not_found(environ, start_response):
    resp = NotFound('Not Found')
    return resp(environ, start_response)


#noinspection PyUnusedLocal
uses Woodbury identity to compute inverse of (A + C*B*C.T)
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/pysaml2-2.4.0/example/sp-repoze/sp.py/not_found--crossover with--dataset/ETHPy150Open epierson9/ZIFA/ZIFA/ZIFA.py/applyWoodburyIdentity