fix bug to run py tests
fix bug to run py tests

kkellerlbl/data_api,kbase/data_api,kbase/data_api,mlhenderson/data_api,kbase/data_api,mlhenderson/data_api,kkellerlbl/data_api,kkellerlbl/data_api,kkellerlbl/data_api,mlhenderson/data_api,kbase/data_api,kbase/data_api,kkellerlbl/data_api,mlhenderson/data_api,mlhenderson/data_api