execfile() - change python version?

[Trung Hoang]

Hi,

i was wondering if there is a way to change which version of python
processing the file when execfile().

i wish to use python2.2 on the main file, and python2.1 on the file passed
into the argument of execfile().

reason being: there is some sort of mis configuration error on the server i
am using python on.

cheers
trung