correct adaptive_active_learning bug

Author: kh-huang

libact/query_strategies/multilabel/adaptive_active_learning.py

@@ -120,7 +120,7 @@ def make_query(self):
         candidate_idx_set = set()
         for b in self.betas:
             # score shape = (len(X_pool), )
-            score = separation_margin**b * label_cardinality**(1.-b)
+            score = uncertainty**b * label_cardinality**(1.-b)
             for idx in np.where(score == np.max(score))[0]:
                 candidate_idx_set.add(idx)