diff options
Diffstat (limited to 'Lib/test/test_sys_settrace.py')
| -rw-r--r-- | Lib/test/test_sys_settrace.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_sys_settrace.py b/Lib/test/test_sys_settrace.py index ae8f845ee1..509bc3e505 100644 --- a/Lib/test/test_sys_settrace.py +++ b/Lib/test/test_sys_settrace.py @@ -388,6 +388,15 @@ class TraceTestCase(unittest.TestCase): (257, 'line'), (257, 'return')]) + def test_17_none_f_trace(self): + # Issue 20041: fix TypeError when f_trace is set to None. + def func(): + sys._getframe().f_trace = None + lineno = 2 + self.run_and_compare(func, + [(0, 'call'), + (1, 'line')]) + class RaisingTraceFuncTestCase(unittest.TestCase): def setUp(self): |