<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def pivot_wavelength_ee(bpass):
 """Compute pivot wavelength assuming equal-energy convention. `bpass` should have two properties, `resp` and `wlen`. The units of `wlen` can be anything, and `resp` need not be normalized in any particular way. """

    from scipy.integrate import simps
    return np.sqrt(simps(bpass.resp, bpass.wlen) /
                   simps(bpass.resp / bpass.wlen**2, bpass.wlen))