Binary package “postgresql-plpython-9.3” in ubuntu trusty

PL/Python procedural language for PostgreSQL 9.3

 PL/Python enables an SQL developer to write procedural language functions
 for PostgreSQL 9.3 in Python. You need this package if you have any
 PostgreSQL 9.3 functions that use the languages plpython or plpythonu.
 .
 PostgreSQL is an object-relational SQL database management system.