@skipUnless(which('lshw'), 'Tests require the ``lshw`` command.')
    def test_list_hardware(self):
        json.loads(list_hardware())
Given an arbitrary string, validates that it is in legal email format. Normalizes
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_diagnostics.py/ListHardwareTests.test_list_hardware--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/identity.py/Identity.CanonicalizeEmail