diff --git a/python-package/xgboost/spark/core.py b/python-package/xgboost/spark/core.py
index 64183f816240..c00430a701a8 100644
--- a/python-package/xgboost/spark/core.py
+++ b/python-package/xgboost/spark/core.py
@@ -297,7 +297,8 @@ def _validate_params(self):
 
         if self.isDefined(self.early_stopping_rounds):
             if not (
-                self.isDefined(self.validationIndicatorCol) and self.getOrDefault(self.validationIndicatorCol)
+                self.isDefined(self.validationIndicatorCol)
+                and self.getOrDefault(self.validationIndicatorCol)
             ):
                 raise ValueError(
                     "If 'early_stopping_rounds' param is set, you need to set "