libmysqlclient-dev : Depends: libmysqlclient18

ubuntu12.04
#MySQL-python安装时
$ sudo apt-get install libmysqlclient-dev
报错提示：
The following packages have unmet dependencies:
libmysqlclient-dev : Depends: libmysqlclient18 (= 5.5.54-0ubuntu0.12.04.1) but 5.6.20+dfsg-1+deb.sury.org~precise+1 is to be installed
E: Unable to correct problems, you have held broken packages.

参考：http://blog.csdn.net/delphinew/article/details/5871425
要求版本低一点
$ sudo apt-get install libmysqlclient18=5.5.54-0ubuntu0.12.04.1
$ sudo apt-get install libmysqlclient-dev