tests error

[Psychomachia]

When I run "make tests", I get this error.

ERROR: test_cylinders (tests.test_aabb_n_tree.TestAABBNormal)

Traceback (most recent call last):
File "/home/kubo/venv/test/TalkSHOW/mesh/tests/test_aabb_n_tree.py", line 58, in test_cylinders
tree_handle_no_normals = create_tree(0)
File "/home/kubo/venv/test/TalkSHOW/mesh/tests/test_aabb_n_tree.py", line 55, in
create_tree = lambda eps: aabb_normals.aabbtree_n_compute(self.cylinder_m.v,
ValueError: Faces must be of type uint32, and 2 dimensional

======================================================================
ERROR: test_dist_classic (tests.test_aabb_n_tree.TestAABBNormal)

Traceback (most recent call last):
File "/path/to/TalkSHOW/mesh/tests/test_aabb_n_tree.py", line 30, in test_dist_classic
tree_handle = aabb_normals.aabbtree_n_compute(self.simple_m.v,
ValueError: Faces must be of type uint32, and 2 dimensional

======================================================================
ERROR: test_dist_normals (tests.test_aabb_n_tree.TestAABBNormal)

Traceback (most recent call last):
File "/path/to/TalkSHOW/mesh/tests/test_aabb_n_tree.py", line 42, in test_dist_normals
tree_handle = aabb_normals.aabbtree_n_compute(self.simple_m.v,
ValueError: Faces must be of type uint32, and 2 dimensional

======================================================================
ERROR: test_selfintersects (tests.test_aabb_n_tree.TestAABBNormal)

Traceback (most recent call last):
File "/path/to/TalkSHOW/mesh/tests/test_aabb_n_tree.py", line 79, in test_selfintersects
tree_handle_no = aabb_normals.aabbtree_n_compute(self.simple_m.v,
ValueError: Faces must be of type uint32, and 2 dimensional

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I don't change code anything. Why occur this error? Thank you.