➜  monarch [~/sources/OpenSource] git-webkit pr
Branch 'main' set up to track remote branch 'main' from 'origin'.
Warning: Permanently added 'github.com' (ED25519) to the list of known hosts.
Warning: Permanently added 'github.com' (ED25519) to the list of known hosts.
From github.com:WebKit/WebKit
 * branch                      main       -> FETCH_HEAD
Current branch eng/236809-dashboard-cleanup is up to date.
Traceback (most recent call last):
  File "/Users/ryan/sources/Internal/Tools/Scripts/git-webkit", line 76, in <module>
    sys.exit(program.main(
  File "/Users/ryan/sources/OpenSource/Tools/Scripts/libraries/webkitscmpy/webkitscmpy/program/__init__.py", line 134, in main
    return parsed.main(
  File "/Users/ryan/sources/OpenSource/Tools/Scripts/libraries/webkitscmpy/webkitscmpy/program/pull_request.py", line 163, in main
    if repository.pull(rebase=True, branch=branch_point.branch):
  File "/Users/ryan/sources/OpenSource/Tools/Scripts/libraries/webkitscmpy/webkitscmpy/local/git.py", line 938, in pull
    self.cache.clear(self.branch)
  File "/Users/ryan/sources/OpenSource/Tools/Scripts/libraries/webkitscmpy/webkitscmpy/local/git.py", line 214, in clear
    self._fill(branch)
  File "/Users/ryan/sources/OpenSource/Tools/Scripts/libraries/webkitscmpy/webkitscmpy/local/git.py", line 81, in _fill
    branch_point = int(self._hash_to_identifiers[self._ordered_commits[branch][0]].split('@')[0])
IndexError: list index out of range