Segmentation fault lors de l'import de tofu

[Bachir secret]

Bonjour,
la ligne suivante provoque un crash du programme:
import soya.tofu

j'ai essaye de debugguer avec gdb, l'erreur est la suivante:

(gdb) run ./soya-test.py
Starting program: /usr/bin/python ./soya-test.py
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0xb73a0286 in glDeleteTextures () from /usr/lib/libGL.so.


le backtrack

#0 0xb73a0286 in glDeleteTextures () from /usr/lib/libGL.so.1
#1 0xb79c2db0 in __pyx_tp_dealloc_5_soya__Font ()
from /usr/lib/python2.6/site-packages/soya/_soya.so
#2 0xb7ee6fdf in subtype_dealloc () from /usr/lib/libpython2.6.so.1.0
#3 0xb7ec3d59 in insertdict () from /usr/lib/libpython2.6.so.1.0
#4 0xb7ec6394 in PyDict_SetItem () from /usr/lib/libpython2.6.so.1.0
#5 0xb7ec858e in _PyModule_Clear () from /usr/lib/libpython2.6.so.1.0
#6 0xb7f3312b in PyImport_Cleanup () from /usr/lib/libpython2.6.so.1.0
#7 0xb7f3bd75 in Py_Finalize () from /usr/lib/libpython2.6.so.1.0
#8 0xb7f48cdf in Py_Main () from /usr/lib/libpython2.6.so.1.0
#9 0x08048557 in main ()