Issue #12400: test_faulthandler now uses sys.__stderr__
instead of open(os.devnull, 'w')
diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py
index 291fac5..2a254af 100644
--- a/Lib/test/test_faulthandler.py
+++ b/Lib/test/test_faulthandler.py
@@ -231,14 +231,12 @@
self.assertNotEqual(exitcode, 0)
def test_is_enabled(self):
- null_stderr = None
orig_stderr = sys.stderr
try:
# regrtest may replace sys.stderr by io.StringIO object, but
# faulthandler.enable() requires that sys.stderr has a fileno()
# method
- null_stderr = open(os.devnull, 'w')
- sys.stderr = null_stderr
+ sys.stderr = sys.__stderr__
was_enabled = faulthandler.is_enabled()
try:
@@ -253,8 +251,6 @@
faulthandler.disable()
finally:
sys.stderr = orig_stderr
- if null_stderr is not None:
- null_stderr.close()
def check_dump_traceback(self, filename):
"""