Crash creating exploded topics

Once it did finish analysis, it crashed:
Jul 26 18:14:52 DEBUG  Exploding 0e1526a1 ARGH
git checkout -q -b topic1 main
git cherry-pick 0e1526a1dfed84807adc366ce0278a0cafb008ba
Jul 26 18:14:52 DEBUG    Assigned topic1 to 0e1526a1dfed84807adc366ce0278a0cafb008ba
Jul 26 18:14:52 DEBUG  - cherry-picked 0e1526a1 as e0b57735 (ARGH)
Jul 26 18:14:52 DEBUG  Exploding 5228ebef Speed up codeowner glob test by using ruby, not bash
git checkout -q -b topic2 main
git cherry-pick 5228ebef053318e574120ddae698a6e831fb61d7
Jul 26 18:14:53 DEBUG    Assigned topic2 to 5228ebef053318e574120ddae698a6e831fb61d7
Jul 26 18:14:53 DEBUG  - cherry-picked 5228ebef as 8269a2b4 (Speed up codeowner glob test by using ruby, not bash)
Jul 26 18:14:53 DEBUG  Exploding dfba4974 Add many acronyms to config/initializers/inflections.rb
git checkout -q -b topic3 main
git cherry-pick dfba4974279cbabb35c0aa0dde2a8ab796c09fd4
Jul 26 18:14:53 DEBUG    Assigned topic3 to dfba4974279cbabb35c0aa0dde2a8ab796c09fd4
Jul 26 18:14:53 DEBUG  - cherry-picked dfba4974 as 5b1d79d9 (Add many acronyms to config/initializers/inflections.rb)
Jul 26 18:14:53 DEBUG  + pushed to queue: 41307936 inflect JSON and YAML correctly
Jul 26 18:14:53 DEBUG  + pushed to queue: 1f590ec0 inflect HC as a non-acronym
Jul 26 18:14:53 DEBUG  + pushed to queue: c421f3e1 inflect CIA correctly
Jul 26 18:14:53 DEBUG  + pushed to queue: 560f874e inflect API as a non-acronym
Jul 26 18:14:53 DEBUG  Exploding 560f874e inflect API as a non-acronym
Jul 26 18:14:53 DEBUG    deps: dfba4974
git cherry-pick 560f874e8124d9cad6ea55814bdb519f0d8da719
Jul 26 18:14:53 DEBUG    Unassigned topic3 from dfba4974279cbabb35c0aa0dde2a8ab796c09fd4
Jul 26 18:14:53 DEBUG    Assigned topic3 to 560f874e8124d9cad6ea55814bdb519f0d8da719
Jul 26 18:14:53 DEBUG  - cherry-picked 560f874e as 11b71822 (inflect API as a non-acronym)
Jul 26 18:14:53 DEBUG  Exploding c421f3e1 inflect CIA correctly
Jul 26 18:14:53 DEBUG    deps: dfba4974
Jul 26 18:14:53 DEBUG    Assigned topic4 to dfba4974279cbabb35c0aa0dde2a8ab796c09fd4
Traceback (most recent call last):
  File "/Users/ryan.davis/Library/Python/3.11/bin/git-explode", line 10, in <module>
    sys.exit(run())
             ^^^^^
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/cli.py", line 71, in run
    main(sys.argv[1:])
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/cli.py", line 67, in main
    exploder.run()
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/exploder.py", line 40, in run
    self.explode(commits, deps_from, deps_on)
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/exploder.py", line 107, in explode
    self.prepare_cherrypick_base(sha, deps, commits)
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/exploder.py", line 130, in prepare_cherrypick_base
    self.checkout_new_dependent_topic(deps)
  File "/Users/ryan.davis/Code/git/aspiers/git-explode/git_explode/exploder.py", line 189, in checkout_new_dependent_topic
    base = self.exploded[deps[0]]
                         ~~~~^^^
TypeError: 'dict_keys' object is not subscriptable
aspiers / git-explode

Crash creating exploded topics #7
