"SyntaxError: can't assign to operator" after installation

after git clone and python genpy.py I get:

import mopy
Traceback (most recent call last):
File "", line 1, in
File "mopy/init.py", line 1, in
import model
File "mopy/model.py", line 5296
myspace___Afro-beat = myspace___Genre("http://purl.org/ontology/myspace#Afro-beat")
SyntaxError: can't assign to operator

Debian 7.0 Wheezy Python 2.7.3