def function(self, arg):
        return arg
Left Join for a link-table component
dataset/ETHPy150Open GrahamDumpleton/wrapt/tests/test_instancemethod.py/NewClass1.function--crossover with--dataset/ETHPy150Open sahana/eden/modules/unit_tests/s3/s3resource.py/ComponentLeftJoinConstructionTests.testGetLeftJoinLinkTableComponent