From 62f78dfbf1b1dfa2d6406a4be5b83bc69267e851 Mon Sep 17 00:00:00 2001
From: Tom Christie
Date: Fri, 19 Dec 2014 15:50:29 +0000
Subject: Copy validators lists on instantiation.

---
 rest_framework/serializers.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'rest_framework/serializers.py')

diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index a983d3fc..8adbafe4 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -327,7 +327,9 @@ class Serializer(BaseSerializer):
         Returns a list of validator callables.
         """
         # Used by the lazily-evaluated `validators` property.
-        return getattr(getattr(self, 'Meta', None), 'validators', [])
+        meta = getattr(self, 'Meta', None)
+        validators = getattr(meta, 'validators', None)
+        return validators[:] if validators else []
 
     def get_initial(self):
         if hasattr(self, 'initial_data'):
@@ -1213,7 +1215,7 @@ class ModelSerializer(Serializer):
         # If the validators have been declared explicitly then use that.
         validators = getattr(getattr(self, 'Meta', None), 'validators', None)
         if validators is not None:
-            return validators
+            return validators[:]
 
         # Otherwise use the default set of validators.
         return (
-- 
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