fix

python/scontact.py

@@ -659,7 +659,7 @@ class ParticleProblem :
         _, x, _ = gmsh.model.mesh.getNodes()
         x = x.reshape([-1,3])[:,:self._dim]
         self._lib.particle_problem_add_body.restype = c_size_t
-        bndbody = self._lib.particle_problem_add_body(self._p, self._coord_type(0,0,0), c_double(0), c_double(0))
+        bndbody = self._lib.particle_problem_add_body(self._p, self._coord_type(*((0,)*self._dim)), c_double(0), c_double(0))
 
         def get_entity_name(edim, etag) :
             for tag in  gmsh.model.getPhysicalGroupsForEntity(edim, etag):