I need to do Logistic Regression using Python, but I have constantly comunicate as below when I try to apply the logistic regression. Please help me, what should I do? I can add that I have already installed sklearn.

C:\Users\John12\Anaconda3\lib\site-packages\sklearn\linear\_model\logistic.py:432: FutureWarning: Default solver will be changed to 'lbfgs' in 0.22. Specify a solver to silence this warning.
 FutureWarning)