Remove unsued package

Author: Guillaume Lemaitre

imblearn/base.py

@@ -13,7 +13,6 @@
 
 from sklearn.base import BaseEstimator
 from sklearn.utils import check_X_y
-from sklearn.utils import check_array
 from sklearn.externals import six
 
 from six import string_types

imblearn/over_sampling/adasyn.py

@@ -191,7 +191,7 @@ def sample(self, X, y):
         self.nearest_neighbour.fit(X)
 
         # Get the distance to the NN
-        dist_nn, ind_nn = self.nearest_neighbour.kneighbors(X_min)
+        _, ind_nn = self.nearest_neighbour.kneighbors(X_min)
 
         # Compute the ratio of majority samples next to minority samples
         ratio_nn = np.sum(y[ind_nn[:, 1:]] == self.maj_c_, axis=1) / self.k