def test_different_type(self):
    'Test that the keys can be different types.'
    self.assertEqual(tools.merge_unique_dicts({'1': 'str'}, {1: 'int'}), {'1': 'str', 1: 'int'})
Test that the keys can be different types.
def test_different_type(self):
    
    self.assertEqual(tools.merge_unique_dicts({'1': 'str'}, {1: 'int'}), {'1': 'str', 1: 'int'})