[issue4503] exception traceback sometimes slow

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

Is "e:" a network drive? This could explain the delay.

But it's true that the code that displays the exception has to call
readline() 683 times, and this code is written in python. There is a
project to rewrite io.py in C...

Also, you are using a debug build. Is the slowdown still noticeable with
a release build?

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nosy: +amaury.forgeotdarc

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