dock_applet.py crashed with UnboundLocalError in get_cmdline_from_pid(): local variable 'line' referenced before assignment

[Peter Bauer]

Just testing the mutiny mate layout with 3 terminal instaces on the panel.
-open/close terminal 1 to 3 from panel and change input focus from 1 to 3
-crash happens

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: mate-dock-applet 0.67-2
ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
Uname: Linux 4.4.0-8-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: MATE
Date: Thu Feb 25 21:18:35 2016
ExecutablePath: /usr/lib/mate-applets/mate-dock-applet/dock_applet.py
InstallationDate: Installed on 2016-01-22 (34 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160103)
InterpreterPath: /usr/bin/python3.5
ProcCmdline: python3 /usr/lib/mate-applets/mate-dock-applet/dock_applet.py
PythonArgs: ['/usr/lib/mate-applets/mate-dock-applet/dock_applet.py']
SourcePackage: mate-dock-applet
Title: dock_applet.py crashed with UnboundLocalError in get_cmdline_from_pid(): local variable 'line' referenced before assignment
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Peter Bauer (peba)]

Happens about three times a day.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Norbert (nrbrtx)]

Can you reproduce this bug with newer version of Ubuntu MATE?

[Launchpad Janitor (janitor)]

[Expired for mate-dock-applet (Ubuntu) because there has been no activity for 60 days.]