cubicweb #993080 plpython no such file or directory [resolved]

From the stable repository trying to db-create blog for a debian squeeze I get

Creating the system database
----------------------------
/usr/lib/pymodules/python2.5/logilab/common/db.py:27: DeprecationWarning: this module is deprecated, use logilab.database instead
DeprecationWarning, stacklevel=1)
-> connecting to postgres database template1@localhost as cubicweb
-> database blog created.
-> connecting to postgres database blog@localhost as cubicweb

pg_ts_dict already present, do not execute tsearch2.sql

Traceback (most recent call last): File "/usr/bin/cubicweb-ctl", line 4, in <module>

ReST / HTML errors:System Message: ERROR/3 (&lt;string&gt; , line 13)</p>

Unexpected indentation.

run(sys.argv[1:])

ReST / HTML errors:System Message: WARNING/2 (&lt;string&gt; , line 14)</p>

Block quote ends without a blank line; unexpected unindent.

File "/usr/lib/python2.5/site-packages/cubicweb/cwctl.py", line 942, in run

%s"""

File "/usr/lib/python2.5/site-packages/cubicweb/toolsutils.py", line 266, in main_run

base_main_run(args, doc, copyright=None)

File "/usr/lib/pymodules/python2.5/logilab/common/clcommands.py", line 136, in main_run

cmd_run(arg, *args)

ReST / HTML errors:System Message: WARNING/2 (&lt;string&gt; , line 19); <em>backlink</em></p>

Inline emphasis start-string without end-string.

File "/usr/lib/pymodules/python2.5/logilab/common/clcommands.py", line 119, in cmd_run

command.run(args)

File "/usr/lib/python2.5/site-packages/cubicweb/server/serverctl.py", line 359, in run

helper.create_language(cursor, extlang)

File "/usr/lib/pymodules/python2.5/logilab/database/postgres.py", line 234, in create_language

cursor.execute('CREATE LANGUAGE %s' % extlang)

ReST / HTML errors:System Message: WARNING/2 (&lt;string&gt; , line 26)</p>

Definition list ends without a blank line; unexpected unindent.

psycopg2.OperationalError: could not access file "$libdir/plpython": No such file or directory