$ pre-commit run fixmyjs
fixmyjs............................................................................................................................................................................................Failed
hookid: fixmyjs

Traceback (most recent call last):
  File "virtualenv_run/bin/pre-commit", line 14, in <module>
    sys.exit(main())
  File "virtualenv_run/lib/python2.6/site-packages/pre_commit/util.py", line 41, in wrapper
    return func(argv)
  File "virtualenv_run/lib/python2.6/site-packages/pre_commit/main.py", line 99, in main
    return run(runner, args)
  File "virtualenv_run/lib/python2.6/site-packages/pre_commit/commands/run.py", line 144, in run
    return _run_hook(runner, args, write=write)
  File "virtualenv_run/lib/python2.6/site-packages/pre_commit/commands/run.py", line 116, in _run_hook
    return _run_single_hook(runner, repo, hook_id, args, write=write)
  File "virtualenv_run/lib/python2.6/site-packages/pre_commit/commands/run.py", line 91, in _run_single_hook
    write(output.strip() + '\n')
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2713' in position 0: ordinal not in range(128)