diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 1bba5c9ed..d7f5f531e 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -107,7 +107,7 @@ class BaseSerializer(Field):
 
         self._data = None
         self._files = None
-        self._errors = None 
+        self._errors = None
 
     #####
     # Methods to determine which fields to use when (de)serializing objects.