[PATCH 3/3] gdb/python: drop support for Python < 3.4

[Eli Zaretskii]

> Date: Fri,  7 Jan 2022 10:29:21 -0500
> From: Simon Marchi via Gdb-patches <gdb-patches@sourceware.org>
> 
> Python 3 versions <= 3.3 are quite old and not likely to be used
> nowadays.  Dropping support for them allows us to remove some hacks and
> compatibility macros that depend on the Python version being < 3.4.

Are there real reasons to drop those old versions?  I mean, does
supporting them causes us some real maintenance burden?

> We could go even further and document that we only support versions 3.5
> or 3.6 and up, for example, but that wouldn't change the code.

That'd mean dropping support for Windows XP, as AFAIU 3.4 is the last
one which supports it.