python fail to load the dynamic

一直报fail to load the dynamic library，网上看了一方案大致意思libkeystone.so的位置不对，
查找一下 find / -name libkeystone.so 移动一下就好了

cp /usr/local/python3/lib/python3.7/site-packages/libkeystone.so /usr/local/python3/lib/python3.7/site-packages/keystone/libkeystone.so