setUpClass() missing 1 required positional argument: 'cls'
You need to put a @classmethod decorator before def setUpClass(cls).
class TestDownload(unittest.TestCase): @classmethod def setUpClass(cls): config.fs = TrueThe setupClass docs are here and classmethod docs here.
What happens is that in suite.py line 163 the setUpClass gets called on the class (not an instance) as a simple function (as opposed to a bound method). There is no argument passed silently to setUpClass, hence the error message.
By adding the @classmethod decorator, you are saying that when TestDownload.setupClass() is called, the first argument is the class TestDownload itself.
Adding @classmethod before setUp and tearDown will resolve the issue. @classmethod is bound to the class.
class LoginTest(unittest.TestCase): @classmethod def setUpClass(cls): **Your code** @classmethod def tearDownClass(self):