Thanks, I'll try that when I'm better able to concentrate if things start 
going wrong.
One puzzle, though: you refer to the Ubuntu package manager providing it: I 
didn't think leo was part of the Ubuntu distribution.
(What I'd really love is if it was part of the Anaconda distribution :-)

geoff

On Saturday, 25 July 2020 at 11:24:36 UTC-2:30 tbp1...@gmail.com wrote:

> v5.9 is very old by now.  I'm surprised that the Ubuntu package manager is 
> still providing it.  The chances of troubleshooting this package are 
> probably small at this point.
>
> I'd suggest installing the current version of Leo directly using pip.  
> Make sure that you have python 3.6+ on your system.  You may have to use 
> apt-get to get pip installed - some distros don't include it with Python, 
> some do, and I don't remember about Ubuntu.  It may need to be called pip3 
> to make sure it's the one for Python 3.x. Then install Leo:
>
> pip3 install leo  # pip3 instead of pip should make sure you are using the 
> Python 3.x version instead of the Python 2.7 version.
>
> Or to see which versions are available:
>
> pip3 install leo==
>
> On some systems you might need to use sudo:
>
> sudo pip3 install leo
>
> Or, if the system isn't finding the correct version of pip:
>
> python3 -m pip install leo        # python3 will launch the available 
> version of pip for Python 3.x
>
> As of today, the latest version of Leo available this way is 6.2.1.
>
> On Saturday, July 25, 2020 at 9:30:30 AM UTC-4, Geoff Evans wrote:
>>
>> When I try to run leo now (in Ubuntu 18.04) I get:
>>
>> (base) geoff:1427>leo ogmap.leo
>>
>> setting leoID from os.getenv('USER'): 'geoff'
>> Leo 5.9-b2, build 20190409061733, Tue Apr  9 06:17:32 UTC 2019
>> livecode.py: can not import meta
>> pip install meta
>> Segmentation fault (core dumped)
>>
>> It used to work fine; all I can think of that's changed is that I've done 
>> "apt-get update/upgrade": cuold that have broken a prerequisite?
>>
>> Best,   geoff
>>
>

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