Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/ankur/.local/lib/python2.7/site-packages/virtualenvwrapper/hook_loader.py", line 16, in <module>
    from stevedore import ExtensionManager
  File "/home/ankur/.local/lib/python2.7/site-packages/stevedore/__init__.py", line 11, in <module>
    from .extension import ExtensionManager
  File "/home/ankur/.local/lib/python2.7/site-packages/stevedore/extension.py", line 4, in <module>
    import pkg_resources
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3119, in <module>
    @_call_aside
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3105, in _call_aside
    f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3132, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 633, in _build_master
    ws = cls()
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 626, in __init__
    self.add_entry(entry)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 682, in add_entry
    for dist in find_distributions(entry, True):
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2120, in find_on_path
    path_item, entry, metadata, precedence=DEVELOP_DIST
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2502, in from_location
    py_version=py_version, platform=platform, **kw
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2816, 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 2467, in _version_from_file
    line = next(iter(version_lines), '')
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2635, in _get_metadata
    for line in self.get_metadata_lines(name):
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2011, in get_metadata_lines
    return yield_lines(self.get_metadata(name))
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2006, 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