update for correction in api

io_scene_obj/import_obj.py

@@ -432,7 +432,7 @@ def create_mesh(new_objects, has_ngons, use_ngons, use_edges, verts_loc, verts_t
     Takes all the data gathered and generates a mesh, adding the new object to new_objects
     deals with fgons, sharp edges and assigning materials
     '''
-    from mesh_utils import ngon_tessellate
+    from mesh_utils import ngon_tesselate
 
     if not has_ngons:
         use_ngons = False
@@ -493,7 +493,7 @@ def create_mesh(new_objects, has_ngons, use_ngons, use_edges, verts_loc, verts_t
             # FGons into triangles
             if has_ngons and len_face_vert_loc_indices > 4:
 
-                ngon_face_indices = ngon_tessellate(verts_loc, face_vert_loc_indices)
+                ngon_face_indices = ngon_tesselate(verts_loc, face_vert_loc_indices)
                 faces.extend(
                     [(
                     [face_vert_loc_indices[ngon[0]], face_vert_loc_indices[ngon[1]], face_vert_loc_indices[ngon[2]]],
@@ -1127,7 +1127,6 @@ def load(operator, context, filepath,
         for obj in new_objects:
             obj.scale = scale, scale, scale
 
-
     time_new = time.time()
 
     print("finished importing: %r in %.4f sec." % (filepath, (time_new - time_main)))