def test_build_event(self):
        evt = event.build_event("evt_name", arg1="val1", arg2=None)
        assert evt.name == "evt_name"
        assert evt.args == {'arg1': "val1", 'arg2': None}
def i1beta_lq(i1, beta, lq, ax=0):
    """creates a surface plot of ld vs i1, beta"""
    if ax == 0:
        _create_3d_axis()
        ax = plt.gca()
    azim = 60
    if 0 < np.mean(beta) or -90 > np.mean(beta):
        azim = -120
    _plot_surface(ax, i1, beta, np.asarray(lq)*1e3,
                  (u'I1/A', u'Beta/°', u'Lq/mH'),
                  azim=azim)