response = TestCase.client.post('app/login', {credentials}, follow=True)
TestCase.assertRedirects(response, 'app/graphs')

AssertionError: False is not true :
Response didn't redirect as expected: Response code was 200 (expected 302).

TestCase.assertRedirects(response, 'app/graphs', status_code=200)

AssertionError: False is not true :
Response didn't redirect as expected: Response code was 200 (expected 200).