$ git cl patch https://codereview.chromium.org/download/issue1846023003_20001.diff
Traceback (most recent call last):
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 4332, in <module>
    sys.exit(main(sys.argv[1:]))
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 4314, in main
    return dispatcher.execute(OptionParser(), argv)
  File "/usr/local/google/home/cbiesinger/depot_tools/subcommand.py", line 252, in execute
    return command(parser, args[1:])
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 3531, in CMDpatch
    options.directory, auth_config)
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 3556, in PatchIssue
    rietvled_server=match.group(1), auth_config=auth_config)
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 884, in __init__
    self._load_codereview_impl(codereview, **kwargs)
  File "/usr/local/google/home/cbiesinger/depot_tools/git_cl.py", line 892, in _load_codereview_impl
    self._codereview_impl = _RietveldChangelistImpl(self, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'rietvled_server'

Note the typo for rietveld :)