from _bz2 import BZ2Compressor, BZ2Decompressor ModuleNotFoundError: No module named '_bz2'
yum install bzip2-devel
二、找到_bz2.cpython-37m-x86_64-linux-gnu.so文件python
mv _bz2.cpython-36m-x86_64-linux-gnu.so _bz2.cpython-37m-x86_64-linux-gnu.so cp _bz2.cpython-37m-x86_64-linux-gnu.so /usr/local/python3/lib/python3.7/lib-dynload/