[mod_python] Q - Lifetime of imported modules?

Hi,

I notice when using my own handler, that it persists within mod_python 
between client hits. However, if more than 30 seconds expire between 
hits, mod_python seems to reload() my handler (and everything it 
imports) on the next hit.

This is a feature I'd like to be able to take advantage of, since it 
could give yet another big performance boost.

Are there any ways to control this behaviour?
For example, turning it on/off, or getting/changing the timeout value?

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Kind regards
David

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