Creates database tables in sqlite lookup db

def create_tables(self, tables):
        """Creates database tables in sqlite lookup db"""
        cursor = self.get_cursor()
        for table in tables:
            columns = mslookup_tables[table]
            try:
                cursor.execute('CREATE TABLE {0}({1})'.format(
                    table, ', '.join(columns)))
            except sqlite3.OperationalError as error:
                print(error)
                print('Warning: Table {} already exists in database, will '
                      'add to existing tables instead of creating '
                      'new.'.format(table))
            else:
                self.conn.commit()