Only create mp_tables as we need them rather than at request creation.
Only create mp_tables as we need them rather than at request creation.

grisha/mod_python,grisha/mod_python,runt18/mod_python,runt18/mod_python,dacaiguoguo/mod_python,carlmcdade/mod_python,carlmcdade/mod_python,grisha/mod_python,dacaiguoguo/mod_python,runt18/mod_python,dacaiguoguo/mod_python,carlmcdade/mod_python