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njcuk9999 / apero-drs

A PipelinE to Reduce Observations - The DRS for SPIRou (CFHT)
MIT License
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[APERO] non_dealloc: deallocating None error #707

Closed njcuk9999 closed 6 months ago

njcuk9999 commented 1 year ago

First reported by @larnoldgithub

In apero_precheck

Error:

Fatal Python error: none_dealloc: deallocating None
Python runtime state: initialized

Happens in:

apero/core/core/drs_database.py line 2226 update_entries
apero/core/core/drs_database.py line 1842 in add_entry
njcuk9999 commented 1 year ago

Doesn't seem to have come back. Closing for now.

njcuk9999 commented 1 year ago

Okay happened to me.

This seems to be a similar problem reported here: https://stackoverflow.com/questions/76193436/fatal-python-error-none-dealloc-deallocating-none-bug-likely-caused-by-a-refc

The solution seems to be to upgrade to python 3.12 or downgrade to mysql-connector-python==8.0.20

njcuk9999 commented 1 year ago

@larnoldgithub the downgrade of mysql-connectoer-python may be the solution for you until I support python 3.12

I'll put it into the requirements to use this older version.

larnoldgithub commented 1 year ago

Does the downgrade require a complete reinstall ? or is it possible to just update that package ? I'll ask Chris to do that when your requirements are updated

cusher commented 1 year ago

Wow, good find! I was able to use that info to track down a corresponding bug report: https://bugs.mysql.com/bug.php?id=111111

According to that, it has also been fixed in version 8.1.0. That appears to be confirmed in the release notes here: https://dev.mysql.com/doc/relnotes/connector-python/en/news-8-1-0.html

larnoldgithub commented 1 year ago

After downgrading to mysql-connector-python==8.0.20 the precheck on the full SPI data set (99000 files) took about 4h with no errors.

njcuk9999 commented 1 year ago

@cusher wow great job finding the bug report! I'll test out 8.1.0 for future releases.