1. ModuleNotFoundError: No module named 'torchvision.transforms.functional_tensor'

from 
from torchvision.transforms.functional_tensor import rgb_to_grayscale
to
from torchvision.transforms.functional import rgb_to_grayscale

2.ImportError: libGL.so.1: cannot open shared object file: No such file or directory
apt update
apt install ffmpeg -y