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-rw-r--r--Lib/unittest/result.py3
-rw-r--r--Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst3
2 files changed, 5 insertions, 1 deletions
diff --git a/Lib/unittest/result.py b/Lib/unittest/result.py
index 111317b..ce7468e 100644
--- a/Lib/unittest/result.py
+++ b/Lib/unittest/result.py
@@ -183,7 +183,8 @@ class TestResult(object):
else:
length = None
tb_e = traceback.TracebackException(
- exctype, value, tb, limit=length, capture_locals=self.tb_locals)
+ exctype, value, tb,
+ limit=length, capture_locals=self.tb_locals, compact=True)
msgLines = list(tb_e.format())
if self.buffer:
diff --git a/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst b/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst
new file mode 100644
index 0000000..92f2402
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2021-01-15-11-48-00.bpo-42934.ILKoOI.rst
@@ -0,0 +1,3 @@
+Use :class:`~traceback.TracebackException`'s new ``compact`` param in
+:class:`~unittest.TestResult` to reduce time and memory consumed by
+traceback formatting.