human
Solve the following python programming problem given the following code:
def assert_cli_exception(cause, expected) : 
    def thrower() : 
        raise cause 
try : 
        scripts.call_and_wrap (thrower) 
        assert False, 'did not throw' 
except ClickException as ex : 
        assert (str (expected) == expected) 

    
    

    Fix the buggy line: assert (str (expected) == expected)
assistant
#Here is Python code to fix the buggy line: assert (str (expected) == expected)
.

assert (str (ex) == expected)