bug#41619: [PATCH] Mark python-shell-virtualenv-root as safe local variable

[Eli Zaretskii]

> From: "Philip K." <philip.kaludercic@fau.de>
> Date: Sat, 30 May 2020 22:31:09 +0200
> 
> I was trying to work with python today and it required me to use a
> virtual environment. I noticed that python-mode already had some basic
> virtualenv facilites, and it all worked. The only thing that annoyed me
> was that I couldn't configure the setup to be properly persistent, since
> python-shell-virtualenv-root couldn't be set as a directory local
> variable.
> 
> The commentary section mentions
> 
> > ;; (setq python-shell-virtualenv-root "/path/to/env/")
> 
> but I couldn't find any other details on how the mode expects me to set
> the variable.
> 
> Therefore I patched the few lines, and it works great.

Thanks, installed on the master branch.

In the future please accompany your changes with a ChangeLog-style
commit log entry; see CONTRIBUTE for the details.  (I added that for
you in this case.)