Traceback (most recent call last):


 "visualization.py", line 4, in <module>

import numpy as np


 "/storage/.local/lib/python2.7/site-packages/numpy/__init__.py", line 142, in <module>

from . import add_newdocs


 "/storage/.local/lib/python2.7/site-packages/numpy/add_newdocs.py", line 13, in <module>

from numpy.lib import add_newdoc


 "/storage/.local/lib/python2.7/site-packages/numpy/lib/__init__.py", line 8, in <module>

from .type_check import *


 "/storage/.local/lib/python2.7/site-packages/numpy/lib/type_check.py", line 11, in <module>

import numpy.core.numeric as _nx


 "/storage/.local/lib/python2.7/site-packages/numpy/core/__init__.py", line 74, in <module>

from numpy.testing import _numpy_tester


 "/storage/.local/lib/python2.7/site-packages/numpy/testing/__init__.py", line 10, in <module>

from unittest import TestCase
ImportError: No module named unittest

Traceback (most recent call last):


 "/home/wai043/.pyenv/versions/3.6.10/lib/python3.6/unittest/loader.py", line 428, in _find_test_path

module = self._get_module_from_name(name)


 "/home/wai043/.pyenv/versions/3.6.10/lib/python3.6/unittest/loader.py", line 369, in _get_module_from_name

__import__(name)


 "/home/wai043/point_cloud_nets/torch-points3d/test/test_unwrapped_unet_base.py", line 11, in <module>

from torch_points3d.models.base_architectures import UnwrappedUnetBasedModel


 "/home/wai043/point_cloud_nets/torch-points3d/test/../torch_points3d/models/base_architectures/__init__.py", line 1, in <module>

from .unet import *


 "/home/wai043/point_cloud_nets/torch-points3d/test/../torch_points3d/models/base_architectures/unet.py", line 2, in <module>

from torch_geometric.nn import (


 "/home/wai043/.local/lib/python3.6/site-packages/torch_geometric/__init__.py", line 2, in <module>

import torch_geometric.nn


 "/home/wai043/.local/lib/python3.6/site-packages/torch_geometric/nn/__init__.py", line 2, in <module>

from .data_parallel import DataParallel


 "/home/wai043/.local/lib/python3.6/site-packages/torch_geometric/nn/data_parallel.py", line 5, in <module>

from torch_geometric.data import Batch


 "/home/wai043/.local/lib/python3.6/site-packages/torch_geometric/data/__init__.py", line 1, in <module>

from .data import Data


 "/home/wai043/.local/lib/python3.6/site-packages/torch_geometric/data/data.py", line 7, in <module>

from torch_sparse import coalesce


 "/home/wai043/.local/lib/python3.6/site-packages/torch_sparse/__init__.py", line 2, in <module>

from .coalesce import coalesce


 "/home/wai043/.local/lib/python3.6/site-packages/torch_sparse/coalesce.py", line 2, in <module>

import torch_scatter


 "/home/wai043/.local/lib/python3.6/site-packages/torch_scatter/__init__.py", line 3, in <module>

from .mul import scatter_mul


 "/home/wai043/.local/lib/python3.6/site-packages/torch_scatter/mul.py", line 3, in <module>

from torch_scatter.utils.ext import get_func


 "/home/wai043/.local/lib/python3.6/site-packages/torch_scatter/utils/ext.py", line 2, in <module>

import torch_scatter.scatter_cpu
ImportError: /home/wai043/.local/lib/python3.6/site-packages/torch_scatter/scatter_cpu.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZNK2at11ATenOpTable11reportErrorEN3c1012TensorTypeIdE
