[pyar] sobre pilas

[Manuel Cañizares]

Buenas! me baje pilas pero al tratar de importar me tira este error!
alguien me tira un gancho?

>>> import pilas
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/pilas/__init__.py", line 14,
in <module>
    from mundo import Mundo
  File "/usr/local/lib/python2.7/dist-packages/pilas/mundo.py", line 10, in
<module>
    from pilas import fisica
  File "/usr/local/lib/python2.7/dist-packages/pilas/fisica.py", line 15,
in <module>
    import Box2D as box2d
  File "/usr/local/lib/python2.7/dist-packages/Box2D/__init__.py", line 21
SyntaxError: Non-ASCII character '\xc3' in file
/usr/local/lib/python2.7/dist-packages/Box2D/__init__.py on line 21, but no
encoding declared; see http://www.python.org/peps/pep-0263.html for details
>>>
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