00_remove_obsolete_plugins_in_unity_session_v2.py crashed with NameError in __main__: name 'gsettings' is not defined

00_remove_obsolete_plugins_in_unity_session_v2.py crashed with NameError in __main__: name 'gsettings' is not defined

ProblemType: Crash
DistroRelease: Ubuntu 16.10
Package: unity 7.5.0+16.10.20160727-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-33.52-generic 4.4.15
Uname: Linux 4.4.0-33-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.3-0ubuntu1
Architecture: amd64
CasperVersion: 1.376
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Sat Jul 30 12:40:18 2016
DistUpgraded: Fresh install
DistroCodename: yakkety
DistroVariant: ubuntu
ExecutablePath: /usr/share/session-migration/scripts/00_remove_obsolete_plugins_in_unity_session_v2.py
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Haswell-ULT Integrated Graphics Controller [1025:0866]
   Subsystem: Acer Incorporated [ALI] GeForce 820M [1025:0868]
GsettingsChanges:
 b'org.compiz.core' b'active-plugins' b"['core', 'composite', 'opengl', 'place', 'regex', 'resize', 'session', 'snap', 'vpswitch', 'wall', 'animation', 'commands', 'compiztoolbox', 'copytex', 'fade', 'grid', 'imgpng', 'mousepoll', 'move', 'scale', 'unitymtgrabhandles', 'workarounds', 'expo', 'ezoom', 'unityshell']"
 b'org.compiz.core' b'active-plugins' b"['core', 'composite', 'opengl', 'place', 'regex', 'resize', 'session', 'snap', 'vpswitch', 'wall', 'animation', 'commands', 'compiztoolbox', 'copytex', 'fade', 'grid', 'imgpng', 'mousepoll', 'move', 'scale', 'unitymtgrabhandles', 'workarounds', 'expo', 'ezoom', 'unityshell']"
 b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
 b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1'
InterpreterPath: /usr/bin/python3.5
LiveMediaBuild: Ubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160730)
MachineType: Acer Extensa 2510G
ProcCmdline: /usr/bin/python3 /usr/share/session-migration/scripts/00_remove_obsolete_plugins_in_unity_session_v2.py
ProcEnviron:
 PATH=(custom, user)
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash ---
PythonArgs: ['/usr/share/session-migration/scripts/00_remove_obsolete_plugins_in_unity_session_v2.py']
SourcePackage: unity
Title: 00_remove_obsolete_plugins_in_unity_session_v2.py crashed with NameError in __main__: name 'gsettings' is not defined
Traceback:
 Traceback (most recent call last):
   File "/usr/share/session-migration/scripts/00_remove_obsolete_plugins_in_unity_session_v2.py", line 48, in <module>
     gsettings.set_strv("active-plugins", active_plugins)
 NameError: name 'gsettings' is not defined
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 09/15/2015
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.32
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: BA50_HB
dmi.board.vendor: Acer
dmi.board.version: V1.32
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.32:bd09/15/2015:svnAcer:pnExtensa2510G:pvrV1.32:rvnAcer:rnBA50_HB:rvrV1.32:cvnAcer:ct10:cvrChassisVersion:
dmi.product.name: Extensa 2510G
dmi.product.version: V1.32
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.13.0+16.10.20160726.4-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.1-3ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.1-3ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
xserver.bootTime: Sat Jul 30 12:40:13 2016
xserver.configfile: default
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 NOUVEAU(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-1ubuntu4
xserver.video_driver: modeset