[issue28120] The Blaze test suite segfaults with 4a5b61b0d090

[STINNER Victor]

STINNER Victor added the comment:

> I'm already using Valgrind, why would I set PYTHONMALLOC=debug?

Valgrind doesn't understand Python frames. PYTHONMALLOC=debug can show you more information from Python internals, especially when using the tracemalloc module:
https://docs.python.org/dev/whatsnew/3.6.html#pythonmalloc-environment-variable

At this point, I'm not convinced that the issue comes from Python itself. It would help if at least you can explain how to reproduce the issue. What is Blaze? Where can I find it?

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