Python how to filter specific warning?

Question

How to filter the specific warning for specific module in python?

MWE

ERROR:

cross_val_score(model, df_Xtrain,ytrain,cv=2,scoring='r2')

/usr/local/lib/python3.6/dist-packages/sklearn/linear_model/_ridge.py:148: LinAlgWarning: Ill-conditioned matrix (rcond=3.275e-20): result may not be accurate.
  overwrite_a=True).T

My attempt

import warnings
warnings.filterwarnings(action='ignore',module='sklearn')

cross_val_score(model, df_Xtrain,ytrain,cv=2,scoring='r2')

This works but I assume it ignores all the warnings such as deprecation warnings. I would like to exclude only LinAlgWarning

Required Like

import warnings
warnings.filterwarnings(action='ignore', category='LinAlgWarning', module='sklearn')

Is there a way like this filter specific warning?

Have you confirmed that the warning could be safely ignored and there is nothing in your code that needs to be fixed to avoid this warning? — GZ0, Sep 21 '20 at 06:41

score 13 · Accepted Answer · edited Apr 23 '22 at 06:10

13

You have to pass category as a WarningClass not in a String:

from scipy.linalg import LinAlgWarning

warnings.filterwarnings(action='ignore', category=LinAlgWarning, module='sklearn')

edited Apr 23 '22 at 06:10

Mr. Discuss

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answered Sep 20 '20 at 15:10

badreelal patidar

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There is no variable `LinAlgWarning`. There has to be a different way here. – BhishanPoudel Sep 20 '20 at 20:07
2

You need to import LinAlgWarning `from scipy.linalg import LinAlgWarning` `warnings.filterwarnings("ignore",category= LinAlgWarning, module='sklearn')` – badreelal patidar Sep 21 '20 at 06:35

Python how to filter specific warning?

MWE

My attempt

Required Like

1 Answers1

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