Tony Xu 25a817c03d Change assertTrue(isinstance()) by optimal assert
Use assertIsInstance() instead of assertTrue(isinstance())

Change-Id: I8bfc27d72b27b512ac4f3fbb7c1821b9be1dbd06
2016-10-25 10:25:41 +08:00
..
2016-09-07 14:56:37 -04:00
2016-05-29 10:52:03 -04:00