打docker时出错,
ERROR: Could not find a version that satisfies the requirement torchvision (from versions: 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.2.0, 0.2.1, 0.2.2, 0.2.2.post2, 0.2.2.post3)
ERROR: No matching distribution found for torchvision
发现是因为dockerfile中未指定python版本,可以指定版本为3.9
FROM python:3.9