Knn Classifier With Squared Iverse Weights In Python( Weight Is A Callable Function)

I am trying to apply kNN classifer with squared inverse weights using sklearn.neighbors.KNeighborsClassifier package. According to the documentation we can define a function for th

Solution 1:

isd is your callable but isd() is a call and evaluates to the return value of the call.

So, use weights=isd without the ().