Add header for files (#869)

* Add header for files

* Add header for files

* Add header for files

* Add header for files

tests/test_data/test_datasets/test_kitti_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import os
 import pytest

tests/test_data/test_datasets/test_kitti_mono_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import pytest

tests/test_data/test_datasets/test_lyft_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import tempfile

tests/test_data/test_datasets/test_nuscene_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import tempfile
 import torch

tests/test_data/test_datasets/test_nuscenes_mono_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import pytest

tests/test_data/test_datasets/test_s3dis_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import pytest
 import torch

tests/test_data/test_datasets/test_scannet_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import copy
 import numpy as np
 import pytest

tests/test_data/test_datasets/test_semantickitti_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 
 from mmdet3d.datasets import SemanticKITTIDataset

tests/test_data/test_datasets/test_sunrgbd_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import pytest
 import torch

tests/test_data/test_datasets/test_waymo_dataset.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import pytest
 import tempfile

tests/test_data/test_pipelines/test_augmentations/test_data_augment_utils.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 

tests/test_data/test_pipelines/test_augmentations/test_test_augment_utils.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 

tests/test_data/test_pipelines/test_augmentations/test_transforms_3d.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import pytest

tests/test_data/test_pipelines/test_indoor_pipeline.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import torch

tests/test_data/test_pipelines/test_indoor_sample.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 
 from mmdet3d.core.points import DepthPoints

tests/test_data/test_pipelines/test_loadings/test_load_images_from_multi_views.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 from mmcv.parallel import DataContainer

tests/test_data/test_pipelines/test_loadings/test_load_points_from_multi_sweeps.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 
 from mmdet3d.core.points import LiDARPoints

tests/test_data/test_pipelines/test_loadings/test_loading.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 import pytest

tests/test_data/test_pipelines/test_outdoor_pipeline.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 

tests/test_metrics/test_indoor_eval.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import pytest
 import torch