testing base model - test_base_model.py line 85 - 93

[noel-reeds]

datetime objects; tic and toc are created in a different timezone from the BaseModel's attribute created_at and updated_at hence a comparison fails.
changing tic and toc to datetime.utcnow() solves that and all the tests pass.

[noel-reeds]

specifically assertions self.assertTrue(tic <= inst1.created_at <= toc) and self.assertTrue(tic <= inst2.created_at <= toc) fail as a result of the above described