Processed: Reduce severity from serious to important

[Debian Bug Tracking System]

Processing control commands:

> severity -1 important
Bug #1017402 [src:scikit-learn] scikit-learn: autopkgtest times out on powerful hosts
Severity set to 'important' from 'serious'

-- 
1017402: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1017402
Debian Bug Tracking System
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