def fsum(*args, **kwargs):

    pass
Monkey patch an object for the duration of the test.
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/pymel/util/arrays.py/fsum--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/unittest.py/TestCase.patch