$ pre-commit
[WARNING] Unstaged files detected.
[INFO] Stashing unstaged files to .../.pre-commit-files/patch1397853050.
Traceback (most recent call last):
  File ".../bin/pre-commit", line 9, in <module>
    load_entry_point('pre-commit==0.0.0', 'console_scripts', 'pre-commit')()
  File ".../lib/python2.6/site-packages/pre_commit/util.py", line 52, in wrapper
    return func(argv)
  File ".../lib/python2.6/site-packages/pre_commit/run.py", line 59, in run
    return commands.run(runner, args)
  File ".../lib/python2.6/site-packages/pre_commit/commands.py", line 254, in run
    with ctx:
  File "/usr/lib64/python2.6/contextlib.py", line 16, in __enter__
    return self.gen.next()
  File ".../lib/python2.6/site-packages/pre_commit/staged_files_only.py", line 32, in staged_files_only
    patch_file.write(diff_stdout)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xfc' in position 3795: ordinal not in range(128)