syncpackage crashes in chroot

$ syncpackage xserver-xorg-video-geode
Traceback (most recent call last):
  File "/usr/bin/syncpackage", line 753, in <module>
    main()
  File "/usr/bin/syncpackage", line 653, in main
    Launchpad.login(**kwargs)
  File "/usr/lib/python2.7/dist-packages/ubuntutools/lp/lpapicache.py", line 66, in login
    version=api_version)
  File "/usr/lib/python2.7/dist-packages/launchpadlib/launchpad.py", line 539, in login_with
    credential_save_failed, version)
  File "/usr/lib/python2.7/dist-packages/launchpadlib/launchpad.py", line 342, in _authorize_token_and_login
    authorization_engine.unique_consumer_id)
  File "/usr/lib/python2.7/dist-packages/launchpadlib/credentials.py", line 282, in load
    return self.do_load(unique_key)
  File "/usr/lib/python2.7/dist-packages/launchpadlib/credentials.py", line 336, in do_load
    'launchpadlib', unique_key)
  File "/usr/lib/python2.7/dist-packages/keyring/core.py", line 37, in get_password
    return _keyring_backend.get_password(service_name, username)
  File "/usr/lib/python2.7/dist-packages/keyring/backend.py", line 382, in get_password
    password = self.decrypt(password_encrypted).decode('utf-8')
  File "/usr/lib/python2.7/dist-packages/keyring/backend.py", line 560, in decrypt
    data = json.loads(password_encrypted)
  File "/usr/lib/python2.7/json/__init__.py", line 328, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 365, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 383, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ubuntu-dev-tools 0.145
Uname: Linux 3.2.0-4-686-pae i686
NonfreeKernelModules: hidp usbhid hid cpufreq_stats cpufreq_conservative cpufreq_powersave cpufreq_userspace cryptd aes_i586 aes_generic parport_pc ppdev lp parport rfcomm bnep uinput ecryptfs dm_crypt dm_mod btusb snd_hda_codec_idt bluetooth arc4 snd_hda_intel snd_hda_codec snd_hwdep joydev snd_pcm iwl4965 snd_page_alloc iwl_legacy mac80211 pcmcia snd_seq snd_seq_device snd_timer snd iTCO_wdt yenta_socket soundcore i2c_i801 cfg80211 pcmcia_rsrc pcmcia_core psmouse iTCO_vendor_support rng_core dell_wmi serio_raw sparse_keymap acpi_cpufreq mperf coretemp processor evdev ac battery ext4 crc16 jbd2 mbcache btrfs crc32c libcrc32c zlib_deflate sg sd_mod crc_t10dif ata_generic dell_laptop i915 ata_piix rfkill power_supply dcdbas libata sdhci_pci sdhci firewire_ohci firewire_core crc_itu_t mmc_core scsi_mod i2c_algo_bit drm_kms_helper drm uhci_hcd ehci_hcd thermal tg3 libphy wmi video button usbcore i2c_core thermal_sys usb_common
ApportVersion: 2.6.2-0ubuntu5
Architecture: i386
Date: Tue Nov 27 19:46:43 2012
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=fi_FI:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-dev-tools
UpgradeStatus: No upgrade log present (probably fresh install)