Idiosyncratic crash in `PCAmodel._screecv_optimize_ncomps`

[jaketmp]

Running the below code will fail ~15% of the iterations.

 for i in range(100):
             PCAmodel = ChemometricsPCA(ncomps=10, scaler=scaler_obj)
             data = numpy.random.lognormal(size=(10, 10)) + 1
             PCAmodel._npyc_dataset_shape = {'NumberSamples': data.shape[0], 'NumberFeatures': data.shape[1]}
             PCAmodel.fit(data)
             try:
                 scree_cv = PCAmodel._screecv_optimize_ncomps(data, total_comps=10, stopping_condition=0.05)
                 
             except:
                print('failed')