https://www.kaggle.com/ttahara/training-birdsong-baseline-resnest50-fast
nvcr.io/nvidia/pytorch 20.06-py3
apt update apt-get install -y libsm6 libxext6 libxrender-dev libgl1-mesa-glx apt install ffmpeg pip install opencv-python pip install pytorch-pfn-extras
https://www.kaggle.com/c/birdsong-recognition/discussion/183218