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return in finally swallows exceptions #22732

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iritkatriel opened this issue Oct 25, 2024 · 0 comments
Open
8 tasks

return in finally swallows exceptions #22732

iritkatriel opened this issue Oct 25, 2024 · 0 comments

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@iritkatriel
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Issue Report Checklist

  • [ x] Searched the issues page for similar reports
  • Read the relevant sections of the Spyder Troubleshooting Guide and followed its advice
  • Reproduced the issue after updating with conda update spyder (or pip, if not using Anaconda)
  • Could not reproduce inside jupyter qtconsole (if console-related)
  • Tried basic troubleshooting (if a bug/error)
    • Restarted Spyder
    • Reset preferences with spyder --reset
    • Reinstalled the latest version of Anaconda
    • Tried the other applicable steps from the Troubleshooting Guide
  • [x ] Completed the Problem Description, Steps to Reproduce and Version sections below

Problem Description

In

there is a return statement in a finally block, which would swallow any in-flight exception.

This means that if an unhanded exception (including a BaseException such as KeyboardInterrupt) is raised from the try body, or any exception is raised from an except: clause, it will not propagate on as expected.

See also https://docs.python.org/3/tutorial/errors.html#defining-clean-up-actions.

What steps reproduce the problem?

Inspect source code.

What is the expected output? What do you see instead?

Avoid return in finally.

Versions

master branch

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