ports tree and upgrading errors

[tech-lists]

Hi,

I get this when trying to upgrade ports:

[Reading data from pkg(8) ... - 620 packages found - done]
** Port directory not found: devel/py-setuptools at py27
** Port directory not found: devel/py-setuptools at py36

[...]

--->  Listing the results (+:done / -:ignored / *:skipped / !:failed)
	- devel/py-setuptools at py27 (port directory error)
	- devel/py-setuptools at py36 (port directory error)

I use svnlite to update the ports tree and portupgrade to upgrade ports.
There is nothing specific in UPDATING that addresses this, other than
portupgrade not handling FLAVORS right now.

Do I have to worry about this error? Can I correct it?
-- 
J.