踩坑记录：subprocess.CalledProcessError: Command '['ninja', '-v']' returned non-zero exit status 1.

在/home/jinjing/anaconda3/envs/maskrcnn_benchmark/lib/python3.8/site-packages/torch/utils/cpp_extension.py中将['ninja','-v']改成['ninja','--v'] 或者['ninja','--version']