Create CREATE EXTENSION plpythonu for tests

.travis.yml

@@ -3,6 +3,7 @@ addons:
 
 before_install:
   - sudo apt-get install -y pkg-config libcairo2-dev libjpeg8-dev libgif-dev
+  - sudo apt-get install postgresql-plpython-9.3
   - createdb template_postgis
   - psql -c "CREATE EXTENSION postgis" template_postgis
 

test/support/prepare_db.sh

@@ -78,6 +78,7 @@ if test x"$PREPARE_PGSQL" = xyes; then
     sed "s/:TESTPASS/${TESTPASS}/" | 
     psql -v ON_ERROR_STOP=1 ${TEST_DB} || exit 1
 
+  psql -c "CREATE EXTENSION plpythonu;" ${TEST_DB}
   curl -L -s https://github.com/CartoDB/cartodb-postgresql/raw/cdb/scripts-available/CDB_QueryStatements.sql -o sql/CDB_QueryStatements.sql
   curl -L -s https://github.com/CartoDB/cartodb-postgresql/raw/cdb/scripts-available/CDB_QueryTables.sql -o sql/CDB_QueryTables.sql
   cat sql/CDB_QueryStatements.sql sql/CDB_QueryTables.sql |