appgrid.py crashed with GLib.Error in draw_icon(): gtk-icon-theme-error-quark: Icon 'unknown' not present in theme Adwaita (0)

[Brandon Taylor]

There appears to be a problem in App Grid vis-a-vis GNOME's default Adwaita icon theme.

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: appgrid 0.252 [origin: LP-PPA-appgrid-stable]
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Uname: Linux 4.2.0-19-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CrashCounter: 1
CrashDB: {"impl": "launchpad", "project": "appgrid"}
CurrentDesktop: GNOME
Date: Wed Dec 2 22:11:53 2015
ExecutablePath: /usr/share/appgrid/appgrid.py
InstallationDate: Installed on 2015-12-03 (0 days ago)
InstallationMedia: Ubuntu-GNOME 15.10 "Wily Werewolf" - Release amd64 (20151021)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/share/appgrid/appgrid.py /tmp/google-chrome-stable_current_amd64.deb
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/appgrid/appgrid.py', '/tmp/google-chrome-stable_current_amd64.deb']
SourcePackage: appgrid
Title: appgrid.py crashed with GLib.Error in draw_icon(): gtk-icon-theme-error-quark: Icon 'unknown' not present in theme Adwaita (0)
Traceback:
 Traceback (most recent call last):
   File "/usr/share/appgrid/widgets/pending.py", line 80, in draw_icon
     Gtk.IconLookupFlags.FORCE_SIZE)
 GLib.Error: gtk-icon-theme-error-quark: Icon 'unknown' not present in theme Adwaita (0)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo