def test_cospeaker ( self ) :
    speaker = SpeakerFactory user = self . user )
    self . presentation . additional_speakers . add ( speaker )
    self . login ( )
    rsp = self . client . get ( self . tutorial_url )
    self . assertIn ( "str" , rsp . content )

def test_cospeaker ( self ) :
    speaker = SpeakerFactory ( user = self . user )
    self . presentation . additional_speakers . add ( speaker )
    self . login ( )
    rsp = self . client . get ( self . tutorial_url )
    self . assertIn ( "str" , rsp . content )

次に示すpythonコードの誤りを修正しなさい。