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-rw-r--r--Lib/test/test_math.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 1f31dc5..1452035 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -181,3 +181,5 @@ try:
x = math.sqrt(-1.0)
except ValueError:
pass
+else:
+ raise TestFailed("sqrt(-1) didn't raise ValueError")