Traceback (most recent call last):

 "/home/cobra/cobra/__init__.py", line 94, in main
cli.start(args.target, args.format, args.output, args.special_rules, a_sid, args.dels)

 "/home/cobra/cobra/cli.py", line 78, in start
files, file_count, time_consume = Directory(target_directory).collect_files()

 "/home/cobra/cobra/pickup.py", line 163, in collect_files
self.files(self.absolute_path)

 "/home/cobra/cobra/pickup.py", line 206, in files
self.files(directory, level + 1)

 "/home/cobra/cobra/pickup.py", line 206, in files
self.files(directory, level + 1)

 "/home/cobra/cobra/pickup.py", line 205, in files
if os.path.isdir(directory):

 "/usr/lib/python2.7/genericpath.py", line 49, in isdir
st = os.stat(s)UnicodeEncodeError: 'ascii' codec can't encode characters in position 47-55: ordinal not in range(128)
Traceback (most recent call last):

 "examples/snippet-grids.py", line 106, in <module>
app.run()

 "/data/git/glumpy/glumpy/app/__init__.py", line 301, in run
clock = __init__(clock=clock, framerate=framerate, backend=__backend__)

 "/data/git/glumpy/glumpy/app/__init__.py", line 261, in __init__
window.dispatch_event('on_resize', window._width, window._height)

 "/data/git/glumpy/glumpy/app/window/event.py", line 375, in dispatch_event
if getattr(self, event_type)(*args):

 "/data/git/glumpy/glumpy/app/window/window.py", line 193, in on_resize
self.dispatch_event('on_draw', 0.0)

 "/data/git/glumpy/glumpy/app/window/event.py", line 365, in dispatch_event
if handler(*args):

 "examples/snippet-grids.py", line 82, in on_draw
program.draw(gl.GL_LINE_STRIP)

 "/data/git/glumpy/glumpy/gloo/program.py", line 499, in draw
self.activate()

 "/data/git/glumpy/glumpy/gloo/globject.py", line 87, in activate
self._create()

 "/data/git/glumpy/glumpy/gloo/program.py", line 155, in _create
raise ValueError('Linking error')ValueError: Linking error