Hello,
I was trying to get the source for and build ChromiumOS following the 
Developer Guide and followed all steps up until the build-packages command. When running this command, the module 
chromite.third_party.six.moves gets imported, but it does not exist for me. I checked the source 
online and could not find such a module either, although 
chromite.third_party.six does exist in both cases. Is there a moves module, and if so, where can I find it?
Thank you,
Sean
Exact error message if needed (the file path is what my ~/chromiumos is linked to):
$ cros build-packages --board=amd64-generic --autosetgov --autosetgov-sticky
cros: Unhandled exception:
Traceback (most recent call last):
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/bin/cros", line 213, in <module>
    DoMain()
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/bin/cros", line 209, in DoMain
    commandline.ScriptWrapperMain(FindTarget)
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/lib/commandline.py", line 1582, in ScriptWrapperMain
    ret = target(argv[1:])
          ^^^^^^^^^^^^^^^^
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/scripts/cros.py", line 96, in main
    parser = GetOptions(namespace.subcommand)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/scripts/cros.py", line 44, in GetOptions
    class_def = command.ImportCommand(cmd_name)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/cli/command.py", line 67, in ImportCommand
    importlib.import_module(".".join(module_parts))
  File "/usr/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 995, in exec_module
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/cli/cros/cros_build_packages.py", line 28, in <module>
    from chromite.service import sysroot
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/service/sysroot.py", line 30, in <module>
    from chromite.lib import binpkg
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/lib/binpkg.py", line 27, in <module>
    from chromite.lib import gerrit
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/lib/gerrit.py", line 16, in <module>
    from chromite.lib import gob_util
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/lib/gob_util.py", line 29, in <module>
    from chromite.third_party.oauth2client import gce
  File "/run/media/sean/6b80009f-ace6-41f5-8961-e5e2a9ada094/chromiumos/chromite/third_party/oauth2client/gce.py", line 22, in <module>
    from chromite.third_party.six.moves import urllib
ModuleNotFoundError: No module named 'chromite.third_party.six.moves'