--- Python/thread_pthread.h.ori	2011-04-15 17:39:43.000000000 +0000
+++ Python/thread_pthread.h	2011-04-15 17:40:03.000000000 +0000
@@ -602,9 +602,6 @@
 PyThread_set_key_value(int key, void *value)
 {
     int fail;
-    void *oldValue = pthread_getspecific(key);
-    if (oldValue != NULL)
-        return 0;
     fail = pthread_setspecific(key, value);
     return fail ? -1 : 0;
 }