createlang plpythonu fails on 64bit windows

Hello,

I am using PostgreSQL 9.0.1 on Windows 7.0 Ultimate 64bit.

I tried to use plpython within one of my databases, but installing the
language fails with:

C:\Program Files\PostgreSQL\9.0\lib>createlang --dbname=ibox --echo -U
postgres plpythonu
SELECT oid FROM pg_catalog.pg_language WHERE lanname = 'plpythonu';
CREATE LANGUAGE "plpythonu";
createlang: Installation der Sprache fehlgeschlagen: FEHLER: konnte
Bibliothek »C:/Program Files/PostgreSQL/9.0/lib/pl
python.dll« nicht laden: %1 is not a valid Win32 application.

(which translated to english is roughly:
createlang: Installation of language failed: ERROR: could not load library
»C:/Program Files/PostgreSQL/9.0/lib/plpython.dll« : %1 is not a valid
Win32 application.

Should'nt plplython.dll be a valid win32_x64 application when being loaded
into PostgreSQL 64bit? Could this be the source of the error? (as in:
"plpython.dll is 32 bit, PostgreSQL is 64bit, so no loading of 32-bit-module
into 64-bit-process?)

Harald

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