Fixing 'NoneType' object has no attribute 'items'

[empjustine]

Under some conditions, GitHub caches removed starred repositories and ends up leaving dangling None user references.

Traceback (most recent call last):
  File "/home/dogsheep/dogsheep/github-to-sqlite/bin/github-to-sqlite", line 8, in <module>
    sys.exit(cli())
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/click/core.py", line 1130, in __call__
    return self.main(*args, **kwargs)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/click/core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/click/core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/click/core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/github_to_sqlite/cli.py", line 181, in starred
    utils.save_stars(db, user, stars)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/github_to_sqlite/utils.py", line 494, in save_stars
    repo_id = save_repo(db, repo)
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/github_to_sqlite/utils.py", line 308, in save_repo
    to_save["owner"] = save_user(db, to_save["owner"])
  File "/home/dogsheep/dogsheep/github-to-sqlite/lib64/python3.10/site-packages/github_to_sqlite/utils.py", line 229, in save_user
    for key, value in user.items()
AttributeError: 'NoneType' object has no attribute 'items'

[simonw]

Thanks!