def METHOD_NAME():
    p = MyPotential(m=1.E10*u.Msun, x0=0., units=usys)
    _repr = p.__repr__()
    assert _repr.startswith("<MyPotential: m=")
    assert "m=1" in _repr
    assert "x0=0" in _repr
    assert _repr.endswith("(AU,yr,solMass,rad)>")
    # assert p.__repr__() == "<MyPotential: m=1.00e+10, x0=0.00e+00 (AU, yr, solMass, rad)>"