advi_res = model.fit(N=50000, method='ADVI')
FloatingPointError: NaN occurred in optimization
The current approximation of RV `alpha_c`.ravel()[0] is NaN.
The current approximation of RV `alpha_c`.ravel()[1] is NaN.
The current approximation of RV `alpha_c`.ravel()[2] is NaN.
The current approximation of RV `alpha_c`.ravel()[3] is NaN.
The current approximation of RV `alpha_c`.ravel()[4] is NaN.
The current approximation of RV `alpha_c`.ravel()[5] is NaN.
The current approximation of RV `alpha_c`.ravel()[6] is NaN.
The current approximation of RV `alpha_c`.ravel()[7] is NaN.
The current approximation of RV `alpha_c`.ravel()[8] is NaN.
The current approximation of RV `alpha_c`.ravel()[9] is NaN.