human
Solve the following python programming problem given the following code:
def _stoppingTest(self, delay) : 
    ran = [] 
    def foo() : 
        ran.append (None) 
clock = task.Clock () 
    lc = TestableLoopingCall (clock, foo) 
    lc.start (lc, now = False) 
    lc.stop () 
    self.failIf (ran) 
    self.failIf (clock.calls) 

    
    

    Fix the buggy line: lc.start (lc, now = False)
assistant
#Here is Python code to fix the buggy line: lc.

lc.start (delay, now = False)