hotfix __init__

Author: AndrosovAS

intvalpy/models/WILS.py

@@ -7,7 +7,7 @@
 
 class WILS(object):
 
-    def init(self, alpha=0, beta=1):
+    def __init__(self, alpha=0, beta=1):
         self.alpha = alpha
         self.beta = beta
 
@@ -35,4 +35,4 @@ def fit(self, X_train, y_train, weight=None, rec_func='Tol', **kwargs):
         )
 
     def predict(self, X_test):
-        return X_test @ self.estimator[0]
+        return X_test @ self.estimator[0]