From 05490834eb51584fca1eec3410a9ff7f12f4fd64 Mon Sep 17 00:00:00 2001
From: Dmitry Cheryasov <dmitry.cheryasov@jetbrains.com>
Date: Mon, 26 Oct 2009 08:44:30 +0200
Subject: [PATCH] Don't propose to add methods or fields to builtin classes.

---
 .../python/inspections/PyUnresolvedReferencesInspection.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/src/com/jetbrains/python/inspections/PyUnresolvedReferencesInspection.java b/python/src/com/jetbrains/python/inspections/PyUnresolvedReferencesInspection.java
index d4ba0adc9abd..ab0f35bfdfb2 100644
--- a/python/src/com/jetbrains/python/inspections/PyUnresolvedReferencesInspection.java
+++ b/python/src/com/jetbrains/python/inspections/PyUnresolvedReferencesInspection.java
@@ -300,7 +300,7 @@ public class PyUnresolvedReferencesInspection extends LocalInspectionTool {
                   }
                   if (qtype instanceof PyClassType) {
                     PyClass cls = ((PyClassType)qtype).getPyClass();
-                    if (cls != null) {
+                    if (cls != null && ! PyBuiltinCache.hasInBuiltins(cls)) {
                       if (reference.getElement().getParent() instanceof PyCallExpression) {
                         actions.add(new AddMethodQuickFix(ref_text, cls));
                       }