Crashes if repo entered twice

[tony]

❯ vcspull vcspull tmuxp cihai cli unihan-etl unihan-db libvcs libtmux alagitpull alagitpull
|vcspull| (git)  Updating to 'master'.
|tmuxp| (git)  Updating to 'master'.
|cihai| (git)  Updating to 'master'.
|cli| (git)  Updating to 'master'.
|unihan-etl| (git)  Updating to 'master'.
|unihan-db| (git)  Updating to 'master'.
|libvcs| (git)  Updating to 'master'.
|libtmux| (git)  Updating to 'master'.
|alagitpull| (git)  Updating to 'master'.
Traceback (most recent call last):
  File "/home/x/.local/bin/vcspull", line 11, in <module>
    sys.exit(cli.cli())
  File "/home/x/.local/lib/python3.6/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/home/x/.local/lib/python3.6/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/home/x/.local/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/x/.local/lib/python3.6/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/x/.local/lib/python3.6/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/home/x/.local/lib/python3.6/site-packages/vcspull/cli.py", line 107, in update
    list(map(update_repo, found_repos))
  File "/home/x/.local/lib/python3.6/site-packages/vcspull/cli.py", line 120, in update_repo
    repo_dict['pip_url'] = repo_dict.pop('url')
KeyError: 'url'

❯ vcspull --version
vcspull 1.1.0

~
❯ python --version
Python 2.7.15rc1