Assert on line 93 fails (lp:#638436)

[Original report](https://bugs.launchpad.net/bugs/638436) created by **Rob Fortune (usedonlytosignup)**
```
I'd love to be more helpful but you didn't put any text there saying what
that assertion was about, or I might have tried and fixed it.

# duplicity --volsize 5 --asynchronous-upload --verbosity 9 --exclude
'/tmp/' --exclude-other-filesystems --encrypt-key DEADBEEF /
'imaps://SECRET:SQUIRREL@imap.gmail.com'
Using archive dir: /root/.cache/duplicity/aff86cdb7c6e7107a22eb3996c8af071
Using backup name: aff86cdb7c6e7107a22eb3996c8af071
Import of duplicity.backends.sshbackend Succeeded
Import of duplicity.backends.giobackend Failed: No module named gio
Import of duplicity.backends.ftpbackend Succeeded
Import of duplicity.backends.localbackend Succeeded
Import of duplicity.backends.cloudfilesbackend Succeeded
Import of duplicity.backends.tahoebackend Succeeded
Import of duplicity.backends.webdavbackend Succeeded
Import of duplicity.backends.hsibackend Succeeded
Import of duplicity.backends.rsyncbackend Succeeded
Import of duplicity.backends.imapbackend Succeeded
Import of duplicity.backends.botobackend Succeeded
I'm ImapBackend (scheme imaps) connecting to imap.gmail.com as SECRET
Type of imap class: IMAP4_SSL
IMAP connected
Main action: inc
================================================================================
duplicity 0.6.08b (March 11, 2010)
Args: /usr/bin/duplicity --volsize 5 --asynchronous-upload --verbosity 9
--exclude /tmp/ --exclude-other-filesystems --encrypt-key DEADBEEF /
imaps://SECRET:SQUIRREL@imap.gmail.com
Linux yottagray 2.6.18-194.8.1.el5.028stab070.4 #1 SMP Tue Aug 17 19:11:52
MSD 2010 i686 i686
/usr/bin/python 2.6.5 (r265:79063, Jul  5 2010, 11:47:21)
[GCC 4.5.0 20100604 [gcc-4_5-branch revision 160292]]
================================================================================
Using temporary directory /tmp/duplicity-TwoQwm-tempdir
Registering (mkstemp) temporary file /tmp/duplicity-TwoQwm-tempdir/mkstemp-
ZuvbgK-1
Temp has 26162319360 available, backup will use approx 12058624.
IMAP LIST: duplicity-full.20100914T233255Z.vol1.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol2.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol3.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol4.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol5.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol6.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol7.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol8.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol9.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol10.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol11.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol12.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol13.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol14.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol15.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol16.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol17.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol18.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol19.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol20.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol21.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol22.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol23.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol24.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol25.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol26.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol27.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol28.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol29.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol30.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol31.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol32.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol33.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol34.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol35.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol36.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol37.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol38.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol39.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol40.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol41.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol42.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol43.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol43.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol44.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol45.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol46.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol47.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol48.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol49.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol50.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol51.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol52.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol53.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol54.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol55.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol56.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol57.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol57.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol58.difftar.gpg
IMAP LIST: duplicity-full-signatures.20100914T233255Z.sigtar.gpg
IMAP LIST: duplicity-full-signatures.20100914T233255Z.sigtar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.manifest.gpg
Local and Remote metadata are synchronized, no sync needed.
IMAP LIST: duplicity-full.20100914T233255Z.vol1.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol2.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol3.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol4.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol5.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol6.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol7.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol8.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol9.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol10.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol11.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol12.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol13.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol14.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol15.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol16.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol17.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol18.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol19.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol20.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol21.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol22.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol23.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol24.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol25.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol26.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol27.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol28.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol29.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol30.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol31.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol32.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol33.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol34.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol35.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol36.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol37.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol38.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol39.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol40.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol41.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol42.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol43.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol43.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol44.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol45.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol46.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol47.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol48.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol49.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol50.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol51.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol52.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol53.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol54.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol55.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol56.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol57.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol57.difftar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.vol58.difftar.gpg
IMAP LIST: duplicity-full-signatures.20100914T233255Z.sigtar.gpg
IMAP LIST: duplicity-full-signatures.20100914T233255Z.sigtar.gpg
IMAP LIST: duplicity-full.20100914T233255Z.manifest.gpg
63 files exist on backend
2 files exist in cache
Extracting backup chains from list of files: ['duplicity-
full.20100914T233255Z.vol1.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol2.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol3.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol4.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol5.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol6.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol7.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol8.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol9.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol10.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol11.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol12.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol13.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol14.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol15.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol16.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol17.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol18.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol19.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol20.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol21.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol22.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol23.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol24.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol25.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol26.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol27.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol28.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol29.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol30.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol31.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol32.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol33.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol34.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol35.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol36.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol37.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol38.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol39.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol40.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol41.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol42.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol43.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol43.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol44.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol45.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol46.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol47.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol48.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol49.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol50.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol51.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol52.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol53.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol54.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol55.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol56.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol57.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol57.difftar.gpg', 'duplicity-
full.20100914T233255Z.vol58.difftar.gpg', 'duplicity-full-
signatures.20100914T233255Z.sigtar.gpg', 'duplicity-full-
signatures.20100914T233255Z.sigtar.gpg', 'duplicity-
full.20100914T233255Z.manifest.gpg']
File duplicity-full.20100914T233255Z.vol1.difftar.gpg is not part of a
known set; creating new set
File duplicity-full.20100914T233255Z.vol2.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol3.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol4.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol5.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol6.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol7.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol8.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol9.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol10.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol11.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol12.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol13.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol14.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol15.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol16.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol17.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol18.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol19.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol20.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol21.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol22.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol23.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol24.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol25.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol26.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol27.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol28.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol29.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol30.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol31.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol32.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol33.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol34.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol35.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol36.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol37.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol38.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol39.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol40.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol41.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol42.difftar.gpg is part of known set
File duplicity-full.20100914T233255Z.vol43.difftar.gpg is part of known set
Removing still remembered temporary file /tmp/duplicity-TwoQwm-
tempdir/mkstemp-ZuvbgK-1
Traceback (most recent call last):
  File "/usr/bin/duplicity", line 1239, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1232, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1137, in main
    globals.archive_dir).set_values()
  File "/usr/lib/python2.6/site-packages/duplicity/collections.py", line
681, in set_values
    self.get_backup_chains(partials + backend_filename_list)
  File "/usr/lib/python2.6/site-packages/duplicity/collections.py", line
804, in get_backup_chains
    map(add_to_sets, filename_list)
  File "/usr/lib/python2.6/site-packages/duplicity/collections.py", line
794, in add_to_sets
    if set.add_filename(filename):
  File "/usr/lib/python2.6/site-packages/duplicity/collections.py", line
93, in add_filename
    (self.volume_name_dict, filename)
AssertionError: ({1: 'duplicity-full.20100914T233255Z.vol1.difftar.gpg', 2:
'duplicity-full.20100914T233255Z.vol2.difftar.gpg', 3: 'duplicity-
full.20100914T233255Z.vol3.difftar.gpg', 4: 'duplicity-
full.20100914T233255Z.vol4.difftar.gpg', 5: 'duplicity-
full.20100914T233255Z.vol5.difftar.gpg', 6: 'duplicity-
full.20100914T233255Z.vol6.difftar.gpg', 7: 'duplicity-
full.20100914T233255Z.vol7.difftar.gpg', 8: 'duplicity-
full.20100914T233255Z.vol8.difftar.gpg', 9: 'duplicity-
full.20100914T233255Z.vol9.difftar.gpg', 10: 'duplicity-
full.20100914T233255Z.vol10.difftar.gpg', 11: 'duplicity-
full.20100914T233255Z.vol11.difftar.gpg', 12: 'duplicity-
full.20100914T233255Z.vol12.difftar.gpg', 13: 'duplicity-
full.20100914T233255Z.vol13.difftar.gpg', 14: 'duplicity-
full.20100914T233255Z.vol14.difftar.gpg', 15: 'duplicity-
full.20100914T233255Z.vol15.difftar.gpg', 16: 'duplicity-
full.20100914T233255Z.vol16.difftar.gpg', 17: 'duplicity-
full.20100914T233255Z.vol17.difftar.gpg', 18: 'duplicity-
full.20100914T233255Z.vol18.difftar.gpg', 19: 'duplicity-
full.20100914T233255Z.vol19.difftar.gpg', 20: 'duplicity-
full.20100914T233255Z.vol20.difftar.gpg', 21: 'duplicity-
full.20100914T233255Z.vol21.difftar.gpg', 22: 'duplicity-
full.20100914T233255Z.vol22.difftar.gpg', 23: 'duplicity-
full.20100914T233255Z.vol23.difftar.gpg', 24: 'duplicity-
full.20100914T233255Z.vol24.difftar.gpg', 25: 'duplicity-
full.20100914T233255Z.vol25.difftar.gpg', 26: 'duplicity-
full.20100914T233255Z.vol26.difftar.gpg', 27: 'duplicity-
full.20100914T233255Z.vol27.difftar.gpg', 28: 'duplicity-
full.20100914T233255Z.vol28.difftar.gpg', 29: 'duplicity-
full.20100914T233255Z.vol29.difftar.gpg', 30: 'duplicity-
full.20100914T233255Z.vol30.difftar.gpg', 31: 'duplicity-
full.20100914T233255Z.vol31.difftar.gpg', 32: 'duplicity-
full.20100914T233255Z.vol32.difftar.gpg', 33: 'duplicity-
full.20100914T233255Z.vol33.difftar.gpg', 34: 'duplicity-
full.20100914T233255Z.vol34.difftar.gpg', 35: 'duplicity-
full.20100914T233255Z.vol35.difftar.gpg', 36: 'duplicity-
full.20100914T233255Z.vol36.difftar.gpg', 37: 'duplicity-
full.20100914T233255Z.vol37.difftar.gpg', 38: 'duplicity-
full.20100914T233255Z.vol38.difftar.gpg', 39: 'duplicity-
full.20100914T233255Z.vol39.difftar.gpg', 40: 'duplicity-
full.20100914T233255Z.vol40.difftar.gpg', 41: 'duplicity-
full.20100914T233255Z.vol41.difftar.gpg', 42: 'duplicity-
full.20100914T233255Z.vol42.difftar.gpg', 43: 'duplicity-
full.20100914T233255Z.vol43.difftar.gpg'}, 'duplicity-
full.20100914T233255Z.vol43.difftar.gpg')
```

Story points: 6.0