NameError: name 'lib_path' is not defined

[karaul]

Does not work

Shoud I compile myself (and how ?) in expelliarmus/src/ ?
e.g.
gcc -lm -fPIC -shared -o wizard.so wizard.c

Traceback (most recent call last):
File "/trinity/home/evotyakov/metavision/python/expelliarmus/read_disk.py", line 6, in
from expelliarmus import Wizard
File "/trinity/home/evotyakov/metavision/python/expelliarmus/expelliarmus/init.py", line 1, in
from .wizard.wizard import Wizard
File "/trinity/home/evotyakov/metavision/python/expelliarmus/expelliarmus/wizard/wizard.py", line 23, in
from expelliarmus.wizard.clib import c_cargos_t, events_cargo_t
File "/trinity/home/evotyakov/metavision/python/expelliarmus/expelliarmus/wizard/clib.py", line 31, in
clib = CDLL(str(lib_path))
NameError: name 'lib_path' is not defined