#NEWLINE# @ step ( '"([^"]*)" is not the name of a registered user' ) #NEWLINE# def is_not_the_name_of_registered_user( step , username ) : #NEWLINE# #INDENT# user_is_not_present = ( world . user_present ( username = step ) == False ) #NEWLINE# assert user_is_not_present , ( ( 'The user ' + username ) + 'does exist.' )