bug#34909: 26.1; Error refreshing packages under language environment

[Eli Zaretskii]

> Date: Tue, 19 Mar 2019 12:57:32 +0100 (CET)
> From: "E. Choroba" <choroba@matfyz.cz>
> cc: 34909@debbugs.gnu.org
> 
> > The patch is below, should you want to install it locally.
> 
> Thanks. I tried to apply the patch locally but the error persists (just 
> running the above mentioned command).

Did you byte-compile package.el after applying the patch?  If not,
either byte-compile it or load the .el file manually, and then try
again.

I definitely cannot reproduce the problem after the change, whereas it
was 100% reproducible with your recipe before the change.