added missing comma

MarketPlaces/DB_Connection/db_connection.py

@@ -437,7 +437,7 @@ def create_database(cur, con):
         cur.execute(sql)
 
         sql = "Create table marketplaces_status (market_id integer NOT NULL, date_inserted date NOT NULL, " \
-              "listings integer NOT NULL, descriptions integer NOT NULL, status bit(1) NOT NULL, date_reference date NOT NULL " \
+              "listings integer NOT NULL, descriptions integer NOT NULL, status bit(1) NOT NULL, date_reference date NOT NULL, " \
               "CONSTRAINT marketplaces_log_pkey PRIMARY KEY (market_id, date_inserted), " \
               "CONSTRAINT marketplaces_fk FOREIGN KEY (market_id) REFERENCES marketplaces (market_id))"
         cur.execute(sql)