Merge pull request #255 from interpretml/gaugup/FixMinorBugDiceKdTree

Fix failure in dice_kdtree.py due to undefined variable

Author: gaugup

dice_ml/explainer_interfaces/dice_KD.py

@@ -260,7 +260,7 @@ def find_counterfactuals(self, data_df_copy, query_instance, query_instance_orig
             if total_cfs_found < total_CFs:
                 self.elapsed = timeit.default_timer() - start_time
                 m, s = divmod(self.elapsed, 60)
-                print('Only %d (required %d) ' % (total_cfs_found, self.total_CFs),
+                print('Only %d (required %d) ' % (total_cfs_found, total_CFs),
                       'Diverse Counterfactuals found for the given configuation, perhaps ',
                       'change the query instance or the features to vary...'  '; total time taken: %02d' % m,
                       'min %02d' % s, 'sec')