root@debian-512mb-nyc3-01:~# python
Python 2.7.9 (default, Jun 29 2016, 13:08:31) 
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pkg_resources
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2927, in <module>
    @_call_aside
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2913, in _call_aside
    f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2940, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 626, in _build_master
    ws = cls()
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 619, in __init__
    self.add_entry(entry)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 675, in add_entry
    for dist in find_distributions(entry, True):
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1982, in find_on_path
    path_item, entry, metadata, precedence=DEVELOP_DIST
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2370, in from_location
    py_version=py_version, platform=platform, **kw
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2687, in _reload_version
    md_version = _version_from_file(self._get_metadata(self.PKG_INFO))
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2335, in _version_from_file
    line = next(iter(version_lines), '')
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2503, in _get_metadata
    for line in self.get_metadata_lines(name):
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1873, in get_metadata_lines
    return yield_lines(self.get_metadata(name))
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 1863, in get_metadata
    metadata = f.read()
  File "/usr/lib/python2.7/codecs.py", line 296, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf8' codec can't decode byte 0xb6 in position 147: invalid start byte in /usr/lib/pymodules/python2.7/rpl-1.5.5.egg-info