mysqld python module have error "Can't call the metric_init function in the python module"

[yhb001002]

When I use the mysql python module have error ,tail -f /var/log/message:
Sep 14 09:51:53 localhost /usr/sbin/gmond[24970]: [PYTHON] Can't call the metric_init function in the python module [mysql_mo].#12
Sep 14 09:51:53 localhost abrt: Unable to find any metric information for 'filechecks_(.+)'. Possible that a module has not been loaded.#12
....
I use #gmond -m can see python_module have loaded ,but mysql can't find ;

gmond -d2 there is no error at here.

mysql.pyconf
modules {
module {
name = 'mysql_mo'
language = 'python'
param host {
value = 'localhost'
}
param user {
value = 'root'
}
param passwd {
value = 'root'
}
param get_innodb {
value = True
}
param get_master {
value = False
}
param get_slave {
value = False
}
param delta_per_second {
value = True
}
}
}
and my mysql_mo.py in /usr/lib64/ganglia/python_modules didn't modify
Any one know how to fix this ?
Thanks!