Connecting to database
        ->host='localhost' port='5432' dbname='sessions' user='postgres' password='xxxxx'
CREATE TABLE IF NOT EXISTS dggrid (id BIGSERIAL PRIMARY KEY, gid bigint UNIQUE, geo geometry, center geometry, population int, employment int);
Traceback (most recent call last):
  File "toolsset_up_db.py", line 22, in <module>
    cursor.execute(query)
psycopg2.ProgrammingError: type "geometry" does not exist
LINE 1: ...(id BIGSERIAL PRIMARY KEY, gid bigint UNIQUE, geo geometry, ...
                                                             ^