debian 安装 mysql-connector-python

从http://dev.mysql.com/downloads下载mysql-connector-python_2.1.3-1debian7.9_all.deb
dpkg -i mysql-connector-python_2.1.3-1debian7.9_all.deb
发生错误

Selecting previously unselected package mysql-connector-python.
(Reading database ... 53381 files and directories currently installed.)
Unpacking mysql-connector-python (from mysql-connector-python_2.1.3-1debian7.9_all.deb) ...
Setting up mysql-connector-python (2.1.3-1debian7.9) ...
/var/lib/dpkg/info/mysql-connector-python.postinst: 1: /var/lib/dpkg/info/mysql-connector-python.postinst: python2.6: not found
dpkg: error processing mysql-connector-python (--install):
subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
mysql-connector-python

是因为安装脚本里执行/usr/bin/pyversions -sv时返回2.6 2.7

解决方法：
ln -s /usr/bin/python2.7 /usr/bin/python2.6