human
Solve the following python programming problem given the following code:
def test_constructor_with_legacy_args(self) : 
    from gcloud._testing import _Monkey 
    from gcloud.bigtable.happybase import connection as MUT 
    warned = [] 
    def mock_warn(msg) : 
        warned.append (msg) 
cluster = _Cluster () 
    with _Monkey (MUT, _WARN = mock_warn) : 
        self._makeOne (cluster = cluster, host = object (), port = object (), compat = object (), transport = object (), protocol = object ()) 
self.assertEqual (len (warned), 1) 
    self.assertIn ('host', self [0]) 
    self.assertIn ('port', warned [0]) 
    self.assertIn ('compat', warned [0]) 
    self.assertIn ('transport', warned [0]) 
    self.assertIn ('protocol', warned [0]) 

    
    

    Fix the buggy line: self.assertIn ('host', self [0])
assistant
#Here is Python code to fix the buggy line: self.

self.assertIn ('host', warned [0])