Don't dup and freeze already frozen kesy

topazproject · Apr 8, 2013 · 507d749 · 507d749
1 parent ec8fee4
commit 507d749
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/topaz/objects/hashobject.py b/topaz/objects/hashobject.py
@@ -79,7 +79,9 @@ def method_fetch(self, space, w_key, w_value=None, block=None):
     @classdef.method("[]=")
     @check_frozen()
     def method_subscript_assign(self, space, w_key, w_value):
-        if space.is_kind_of(w_key, space.w_string):
+        if (space.is_kind_of(w_key, space.w_string) and
+            not space.is_true(space.send(w_key, space.newsymbol("frozen?")))):
+
             w_key = space.send(w_key, space.newsymbol("dup"))
             w_key = space.send(w_key, space.newsymbol("freeze"))
         self.contents[w_key] = w_value