def rotate_frame():
    r1 = ring(pos = (1,0,0))
    h1 = helix(pos = (1,0,0))
    f = frame(r1,h1)
    f.pos = (2,0,0)
    f.axis = (1,1,1)
    j = 1
    def anim():
        f.rotate(j, [0.0, 1.0, 0.0])
    ti = iterate(200, anim)
    ti.edit_traits()
    return ti
Test fuction for testing integrity of rotation function of
dataset/ETHPy150Open enthought/mayavi/tvtk/tools/visual.py/rotate_frame