Mocking class method with pytest-mock returns error
Solution 1:
In your case since you are patching the class that is present within the test file itself you would use mocker.patch.object.
mock_function = mocker.patch.object(RealClass, 'some_function')
collected 1 item
tests/test_grab.py::test_the_function PASSED [100%]
============================== 1 passed in 0.03s ===============================