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-rw-r--r--Lib/test/test_funcattrs.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_funcattrs.py b/Lib/test/test_funcattrs.py
index 11d68cc..15cf250 100644
--- a/Lib/test/test_funcattrs.py
+++ b/Lib/test/test_funcattrs.py
@@ -73,6 +73,11 @@ class FunctionPropertiesTest(FuncAttrsTest):
self.cannot_set_attr(self.b, '__globals__', 2,
(AttributeError, TypeError))
+ def test___builtins__(self):
+ self.assertIs(self.b.__builtins__, __builtins__)
+ self.cannot_set_attr(self.b, '__builtins__', 2,
+ (AttributeError, TypeError))
+
def test___closure__(self):
a = 12
def f(): print(a)