appgrid.py crashed with UnicodeEncodeError in exists(): 'ascii' codec can't encode characters in position 11-18: ordinal not in range(128)

app grid crash

ProblemType: Crash
DistroRelease: elementary OS 0.3
Package: appgrid 0.1.183 [origin: unknown]
ProcVersionSignature: Ubuntu 3.13.0-36.63-generic 3.13.11.6
Uname: Linux 3.13.0-36-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
CrashCounter: 1
CrashDB: {"impl": "launchpad", "project": "appgrid"}
CurrentDesktop: Pantheon
Date: Thu Sep 25 11:24:51 2014
ExecutablePath: /usr/share/appgrid/appgrid.py
InstallationDate: Installed on 2014-09-24 (0 days ago)
InstallationMedia: elementary OS 0.3 "Freya" - Daily amd64 (20140810)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/share/appgrid/appgrid.py
PythonArgs: ['/usr/share/appgrid/appgrid.py']
SourcePackage: appgrid
Title: appgrid.py crashed with UnicodeEncodeError in exists(): 'ascii' codec can't encode characters in position 11-18: ordinal not in range(128)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo