python: always assign best_score after train (#890)

This commit will regain backward compatibility that has been broken after 015c8ff.
microsoft · Oct 9, 2017 · 4d5bf8f · 4d5bf8f
1 parent 7dc4002
commit 4d5bf8f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/python-package/lightgbm/sklearn.py b/python-package/lightgbm/sklearn.py
@@ -452,7 +452,8 @@ def get_meta_data(collection, i):
 
         if early_stopping_rounds is not None:
             self._best_iteration = self._Booster.best_iteration
-            self._best_score = self._Booster.best_score
+
+        self._best_score = self._Booster.best_score
 
         # free dataset
         self.booster_.free_dataset()