[SyneRBI/SIRF] occasional (ignored) exception AttributeError: 'NoneType' object has no attribute 'deleteDataHandle' (Issue #1374)

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Kris Thielemans

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Feb 12, 2026, 2:38:26 AM (10 days ago) Feb 12

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KrisThielemans created an issue (SyneRBI/SIRF#1374)

We sometimes (no idea when exactly) get

Exception ignored in: <function ImageData.__del__ at 0x7bc1b8ceee80>
Traceback (most recent call last):
File "/opt/SIRF-SuperBuild/INSTALL/python/sirf/STIR.py", line 447, in __del__
AttributeError: 'NoneType' object has no attribute 'deleteDataHandle'

It seems harmless, but is worrying, and potentially causes problems in PETRIC2.

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Kris Thielemans

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Feb 12, 2026, 3:03:56 AM (10 days ago) Feb 12

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KrisThielemans left a comment (SyneRBI/SIRF#1374)

Suggested steps:

do we have any of this when running the tests? W
if we do, which ones?
for those, check with valgrind or similar (likely means RelWithDebInfo build)