[rgbpose_conv3d] FileNotFoundError: [Errno 2] No such file or directory: '.mp4.mp4'

[sandriverfish]

$ python demo/demo_skeleton.py demo/video.mp4 demo/video-q.mp4 --config configs/rgbpose_conv3d/rgbpose_conv3d.py --checkpoint http://download.openmmlab.com/mmaction/pyskl/ckpt/rgbpose_conv3d/rgbpose_conv3d.pth
load checkpoint from local path: .cache/rgbpose_conv3d_e28e5b7e.pth
load checkpoint from http path: https://download.openmmlab.com/mmdetection/v2.0/faster_rcnn/faster_rcnn_r50_fpn_1x_coco-person/faster_rcnn_r50_fpn_1x_coco-person_20201216_175929-d022e227.pth
Performing Human Detection for each frame
[>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>] 377/377, 11.0 task/s, elapsed: 34s, ETA: 0sload checkpoint from http path: https://download.openmmlab.com/mmpose/top_down/hrnet/hrnet_w32_coco_256x192-c78dce93_20200708.pth
Performing Human Pose Estimation for each frame
[>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>] 377/377, 13.8 task/s, elapsed: 27s, ETA: 0sTraceback (most recent call last):
File "demo/demo_skeleton.py", line 313, in
main()
File "demo/demo_skeleton.py", line 291, in main
results = inference_recognizer(model, fake_anno)
File "/home/user/pyskl/pyskl/apis/inference.py", line 168, in inference_recognizer
data = test_pipeline(data)
File "/home/user/pyskl/pyskl/datasets/pipelines/compose.py", line 41, in call
data = t(data)
File "/home/user/pyskl/pyskl/datasets/pipelines/multi_modality.py", line 98, in call
video_reader = self._get_videoreader(results['filename'])
File "/home/user/pyskl/pyskl/datasets/pipelines/loading.py", line 43, in _get_videoreader
file_obj = io.BytesIO(self.file_client.get(filename))
File "/home/user/anaconda3/envs/pyskl/lib/python3.7/site-packages/mmcv/fileio/file_client.py", line 993, in get
return self.client.get(filepath)
File "/home/user/anaconda3/envs/pyskl/lib/python3.7/site-packages/mmcv/fileio/file_client.py", line 518, in get
with open(filepath, 'rb') as f:
FileNotFoundError: [Errno 2] No such file or directory: '.mp4.mp4'