def get_client_credentials(self, client_id):
        
        try:
            return self.db.clients(client_id)
        except AttributeError:
            self.create_tables()
            return None
Test the _write_auto_filter() method
dataset/ETHPy150Open joaoqalves/web2py-oauth2/modules/oauth/storage/__init__.py/web2pyStorage.get_client_credentials--crossover with--dataset/ETHPy150Open jmcnamara/XlsxWriter/xlsxwriter/test/worksheet/test_write_auto_filter.py/TestWriteAutoFilter.test_write_auto_filter_10