id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason
1353418822,PR_kwDODtX3eM497MOV,5,The program fails when the user has no submissions,2467,open,0,,,0,2022-08-28T17:25:45Z,2022-08-28T17:25:45Z,,FIRST_TIME_CONTRIBUTOR,dogsheep/hacker-news-to-sqlite/pulls/5,"Tested with:
    
     hacker-news-to-sqlite user hacker-news.db fernand0

Result:
`
Traceback (most recent call last):
  File ""/home/ftricas/.pyenv/versions/3.10.6/bin/hacker-news-to-sqlite"", line 8, in <module>
    sys.exit(cli())
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/click/core.py"", line 1130, in __call__
    return self.main(*args, **kwargs)
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/click/core.py"", line 1055, in main
    rv = self.invoke(ctx)
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/click/core.py"", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/click/core.py"", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/click/core.py"", line 760, in invoke
    return __callback(*args, **kwargs)
  File ""/home/ftricas/.pyenv/versions/3.10.6/lib/python3.10/site-packages/hacker_news_to_sqlite/cli.py"", line 27, in user
    submitted = user.pop(""submitted"", None) or []
AttributeError: 'NoneType' object has no attribute 'pop'
`

There is a problem of style with the patch (but not sure what to do) because with the new inicialization ( submitted = []) the part 

     or []

is not needed. Maybe there is a more adequate way of doing this.",248903544,pull,,,"{""url"": ""https://api.github.com/repos/dogsheep/hacker-news-to-sqlite/issues/5/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",0,