pandas执行失败,报错no module named -bz2

python3.7 pandas执行失败，报"no module named '_bz2'"的错误。将资源下载下来，然后放到python3.7相应的目录python3/lib/python3.7/lib-dynload下。再给资源可执行权限:chmod 755 _bz2.cpython-37m-x86_64-linux-gnu.so.退出再进即可。