Port 2.7 fix for sporadic failure in test_weakset.

de89d4b0 · Antoine Pitrou · 4a90ef03 · de89d4b0
Commit de89d4b0 authored Mar 04, 2012 by Antoine Pitrou
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Lib/_weakrefset.py Lib/_weakrefset.py +2 -5

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--- a/Lib/_weakrefset.py
+++ b/Lib/_weakrefset.py
@@ -114,11 +114,8 @@ class WeakSet:
    def update(self, other):
        if self._pending_removals:
            self._commit_removals()
-        if isinstance(other, self.__class__):
+        for element in other:
-            self.data.update(other.data)
+            self.add(element)
-        else:
-            for element in other:
-                self.add(element)
    def __ior__(self, other):
        self.update(other)