juju agent fails to start machine by using lxc as provider

[ZhengPeng Hou]

after bootstrap with local provider, trying to deploy a workload
juju deploy --repository=work/charm local:mongodb
which is a charm pulled from charmstore.
environment.yaml
default: lxc
environments:
  lxc:
    type: local
    control-bucket: juju-be71155aaa9d40ebbd30b6bd4738f17f
    admin-secret: c014637df32a496588a24489a592945b
    default-series: raring
    juju-origin: distro
    data-dir: /home/freeflying/tmp

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: juju 0.6-1ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-15.25-generic 3.8.4
Uname: Linux 3.8.0-15-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
Date: Fri Apr 5 10:23:06 2013
InstallationDate: Installed on 2012-10-02 (184 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20120926)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: juju
UpgradeStatus: No upgrade log present (probably fresh install)

[Serge Hallyn (serge-hallyn)]

2013-04-05 10:20:11,231: twisted@ERROR: Fatal Python error: Py_Initialize: Unable to get the locale encoding
2013-04-05 10:20:11,232: twisted@ERROR: File "/usr/lib/python2.7/encodings/__init__.py", line 123
2013-04-05 10:20:11,232: twisted@ERROR: raise CodecRegistryError,\
2013-04-05 10:20:11,232: twisted@ERROR: ^
2013-04-05 10:20:11,233: twisted@ERROR: SyntaxError: invalid syntax
2013-04-05 10:20:11,233: twisted@ERROR:
2013-04-05 10:20:11,234: juju.agents.machine@ERROR: Error starting unit: mongodb/0

[Launchpad Janitor (janitor)]

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

[Serge Hallyn (serge-hallyn)]

I'm marking this confirmed based on duplicate bug.