def test_single(self):
    'Test that it returns the dict itself when there is only one.'
    self.assertEqual(tools.merge_unique_dicts(self.dct1), self.dct1)
    self.assertEqual(tools.merge_unique_dicts(**self.dct1), self.dct1)
Test that it returns the dict itself when there is only one.
def test_single(self):
    
    self.assertEqual(tools.merge_unique_dicts(self.dct1), self.dct1)
    self.assertEqual(tools.merge_unique_dicts(**self.dct1), self.dct1)