Your bug report

#44928: guix upgrade command does not accept a list of packages

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 44928@debbugs.gnu.org.

-- 
44928: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=44928
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