[Python] Test that unittest.Mock was called with some specified and some unspecified arguments

We can check if a unittest.mock.Mock has any call with some specified arguments. I now want to test that some of the arguments are correct, while I do not know about the other ones. Is there some intended way to do so?

I could manually iterate over Mock.mock_calls, but is there a more compact way?

import random
from unittest import mock

def mymethod(a, handler):
handler(a, random.random())

def test_mymethod():
handler = mock.Mock()
mymethod(5, handler)

handler.assert_any_call(5, [anything]) # How do I achieve this?

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