$ pgimport github
Enter your Github Username: kparal
Password: 
Enter github project name like pypingou/pagure: blaskovic/fedora-gooey-karma
Do you want to generate jsons for project's contributers and issue commentors? [y/N]: y
contributor added: blaskovic
contributor added: blaskovic
contributor added: regeciovad
Traceback (most recent call last):
  File "/usr/bin/pgimport", line 9, in <module>
    load_entry_point('pagure-importer==2.2.2', 'console_scripts', 'pgimport')()
  File "/usr/lib/python3.5/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3.5/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3.5/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3.5/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3.5/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3.5/site-packages/pagure_importer/commands/github.py", line 29, in github
    gh_get_contributors(username, password, project)
  File "/usr/lib/python3.5/site-packages/pagure_importer/utils/__init__.py", line 117, in gh_get_contributors
    contributor = {'fullname': commit.author.name,
AttributeError: 'NoneType' object has no attribute 'name'