我试图安装扩展pg_qualstats,但是它给出了下面的错误。root@Ubuntu-1604-xenial-64-minimal ~ # sudo pip install pg_qualstats Couldnot find a version that satisfies the requirement pg_qualstats (from versions: )
No matching distributionfound for pg_quals
[ "-pg" = "-pg" ]; then if [ /tmp/vbox.0/VBoxGuest-linux.o !/6/include -I/usr/src/linux-headers-4.12.0-1-commo$
if [ "-pg" = "-pg" ]; then if [ /tmp/vbox.