A new version of duplicity (0.6.23-1ubuntu4.2) is available for Trusty in trusty-proposed.
That should fix this bug, but it needs to be tested.
If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed.
A new version of duplicity (0.6.23-1ubuntu4.2) is available for Trusty in trusty-proposed.
That should fix this bug, but it needs to be tested.
If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification- failed.