def GetPrevBmask(enum_id, value):
    return idaapi.get_prev_bmask(enum_id, value)
L{ProxyClientFactory.buildProtocol} should produce a L{ProxyClient}
dataset/ETHPy150Open EiNSTeiN-/idapython/python/idc.py/GetPrevBmask--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/web/test/test_proxy.py/ProxyClientFactoryTests.test_buildProtocol