[SOT] pypgsql function receiving dictionary as parameter?

Hi all. Im a python programer, and im trying to use a dictionary
(associative array on Perl) in my pypgsql function without result. Anybody
know if it is possible?

Thanks a lot folks.
-- 
Gerardo Herzig
Direccion General de Organizacion y Sistemas
Facultad de Medicina
U.B.A.