value error in lasso

[lacava]

occasional error:
File "/home/bill/anaconda3/lib/python3.5/runpy.py", line 184, in _run_module_as_main
"main", mod_spec)
File "/home/bill/anaconda3/lib/python3.5/runpy.py", line 85, in run_code
exec(code, run_globals)
File "/media/bill/Drive/Dropbox/PostDoc/code/few/few/few.py", line 506, in
main()
File "/media/bill/Drive/Dropbox/PostDoc/code/few/few/few.py", line 495, in main
learner.fit(training_features, training_labels)
File "/media/bill/Drive/Dropbox/PostDoc/code/few/few/few.py", line 181, in fit
self.ml.fit(pop.X.transpose(),y_t)
File "/home/bill/anaconda3/lib/python3.5/site-packages/sklearn/linear_model/least_angle.py", line 1132, in fit
Lars.fit(self, X, y)
File "/home/bill/anaconda3/lib/python3.5/site-packages/sklearn/linear_model/least_angle.py", line 671, in fit
return_n_iter=True, positive=self.positive)
File "/home/bill/anaconda3/lib/python3.5/site-packages/sklearn/linear_model/least_angle.py", line 260, in lars_path
sign_active[n_active] = np.sign(C)
ValueError: cannot convert float NaN to integer

should not occur due to safe operator outputs

[lacava]

perhaps setting nans and infs to 1 would help