[changeset b4b1131187c4 does not work under Ubuntu 16.04]

[Matt Harbison]

On Sat, 26 Oct 2019 04:42:12 -0400, Uwe Brauer <oub at mat.ucm.es> wrote:

>
>    > On Fri, 25 Oct 2019 14:54:10 -0400, Uwe Brauer <oub at mat.ucm.es>  
> wrote:
>
>    > I vaguely remember seeing this about a year or a year and a half  
> ago.
>    > You probably have a very old extension somewhere.  If you don't get  
> a
>    > traceback, you can add --traceback to the command, and it will
>    > generally indicate where the problem is.
>
> I did this here is the error:
>
>

Try again with hg-git disabled.  I have no idea if hg-git needs to be  
fixed for 5.2, but like I said, this seems like an old error, and I'm  
surprised 5.0 or 5.1 didn't hit this too.