novo

def run(self):
        try:
            # Connect to an existing database
            self.conexao = psycopg2.connect(database=self.DATABASE_NAME, user=self.DATABASE_USERNAME, password=self.DATABASE_PASSWORD)

            # Because of the way sessions interact with notifications (see NOTIFY documentation), you should keep the connection in autocommit mode if you wish to receive or send notifications in a timely manner.
            self.conexao.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)

            # Open a cursor to execute queries in the database
            # Fetch the results in an associative array
            self.cursor = self.conexao.cursor(cursor_factory=psycopg2.extras.DictCursor)



        except:
            self.logger.critical('Unable to connect to database and execute run')

            self.fetchUsers()
            self.checkRanking()
            self.pool.wait_completion()