setting connection to None

registrar_test.py

@@ -10,8 +10,8 @@ database = os.environ.get('DB_NAME_DOWNLOAD')
 def connect_to_db(eo_id):
     global db_name, coverage_id
     try:
-        connection = psycopg2.connect(dbname=database, user=database_user, password=database_password, host=host, port=port)
-
+        # connection = psycopg2.connect(dbname=database, user=database_user, password=database_password, host=host, port=port)
+        connection= None
         cursor = connection.cursor()
         db_name = connection.get_dsn_parameters()["dbname"]
         postgreSQL_select_Query = "SELECT identifier FROM coverages_eoobject WHERE identifier = '%s';" % eo_id