human
Solve the following python programming problem given the following code:
def double_initialize_test(self) : 
    'Test for the error ocuring when the same error measure is initialized twice.' 
    data = [[0.0, 0.0], [1, 0.1], [2, 0.2], [3, 0.3], [4, 0.4]] 
    tsOrg = TimeSeries.from_twodim_list (data) 
    tsCalc = TimeSeries.from_twodim_list (data) 
    bem = BaseErrorMeasure () 
    bem_calculate = bem._calculate 
    bem_local_error = bem.local_error 
    def return_zero(ignoreMe, ignoreMeToo) : 
        return 0 
bem.local_error = return_zero 
    bem._calculate = return_zero 
    bem.initialize (bem, tsCalc) 
    for cnt in xrange (10) : 
        try : 
            bem.initialize (tsOrg, tsCalc) 
except StandardError : 
            pass 
else : 
            assert False 
bem.local_error = bem_calculate 
    bem._calculate = bem_local_error 

    
    

    Fix the buggy line: bem.initialize (bem, tsCalc)
assistant
#Here is Python code to fix the buggy line: bem.

bem.initialize (tsOrg, tsCalc)