From 48cd8e856fa027e0e699e5a5ed7e3eb8f8450abb Mon Sep 17 00:00:00 2001
From: Luke Plant <L.Plant.98@cantab.net>
Date: Mon, 8 Mar 2010 23:55:04 +0000
Subject: Fixed #11183 - BaseForm init leaves pointers pointing back to
 base_fields

Thanks to margieroginski for the report



git-svn-id: http://code.djangoproject.com/svn/django/trunk@12733 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/forms/models.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'django/forms')

diff --git a/django/forms/models.py b/django/forms/models.py
index acfbe490d5..45a2e0cd16 100644
--- a/django/forms/models.py
+++ b/django/forms/models.py
@@ -923,6 +923,12 @@ class ModelChoiceField(ChoiceField):
         self.choice_cache = None
         self.to_field_name = to_field_name
 
+    def __deepcopy__(self, memo):
+        result = super(ChoiceField, self).__deepcopy__(memo)
+        # Need to force a new ModelChoiceIterator to be created, bug #11183
+        result.queryset = result.queryset
+        return result
+
     def _get_queryset(self):
         return self._queryset
 
-- 
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