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authorGuido van Rossum <guido@python.org>2014-04-27 17:33:58 (GMT)
committerGuido van Rossum <guido@python.org>2014-04-27 17:33:58 (GMT)
commit83c1ddda469e7a99f11afc7d6758b3d80ad9aa3b (patch)
tree2c5fe94963ea9379b0102d7ca5e12846dbaa4525 /Lib/asyncio/tasks.py
parentae25f46706659575c91d579ebcae02584e624ad9 (diff)
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asyncio: Be careful accessing instance variables in __del__ (closes #21340).
Diffstat (limited to 'Lib/asyncio/tasks.py')
-rw-r--r--Lib/asyncio/tasks.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py
index c6c22dd..e8ee947 100644
--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -76,7 +76,9 @@ class CoroWrapper:
return self.gen.gi_code
def __del__(self):
- frame = self.gen.gi_frame
+ # Be careful accessing self.gen.frame -- self.gen might not exist.
+ gen = getattr(self, 'gen', None)
+ frame = getattr(gen, 'gi_frame', None)
if frame is not None and frame.f_lasti == -1:
func = self.func
code = func.__code__