MAINT fix bug related to subsampling

Author: mfeurer

autosklearn/evaluation/__init__.py

@@ -104,7 +104,6 @@ def run(self, config, instance=None,
         if instance_specific is None or instance_specific == '0':
             instance_specific = {}
         else:
-            print(instance_specific)
             instance_specific = [specific.split('=') for specific in instance_specific.split(',')]
             instance_specific = {specific[0]: specific[1] for specific in instance_specific}
         subsample = instance_specific.get('subsample')

autosklearn/evaluation/train_evaluator.py

@@ -230,8 +230,9 @@ def subsample_indices(self, train_indices):
                 stratify = None
 
             if len(train_indices) > self.subsample:
+                indices = np.arange(len(train_indices))
                 cv_indices_train, _ = sklearn.cross_validation.train_test_split(
-                    train_indices, stratify=stratify,
+                    indices, stratify=stratify,
                     train_size=self.subsample, random_state=1)
                 train_indices = train_indices[cv_indices_train]
                 return train_indices