human
Solve the following python programming problem given the following code:
def _prep_window(self, **kwargs) : 
    '
        provide validation for our window type, return the window
        we have already been validated
        ' 
    window = self._get_window () 
    if isinstance (window, (list, tuple, np.ndarray)) : 
        return com._asarray_tuplesafe (window).astype (float) 
else : 
        if com.is_integer (window) : 
            import scipy.signal as sig 
            def _validate_win_type(win_type, kwargs) : 
                arg_map = { 
                    'kaiser' : ['beta'], 
                    'gaussian' : ['std'], 
                    'general_gaussian' : ['power', 'width'], 
                    'slepian' : ['width'], 
} 
                if (win_type in arg_map) : 
                    return tuple (([win_type] + _pop_args (win_type, arg_map [win_type], kwargs))) 
return win_type 
def _pop_args(win_type, arg_names, kwargs) : 
                msg = ('%s window requires %%s' % win_type) 
                all_args = [] 
                for n in arg_names : 
                    if (n not in kwargs) : 
                        raise ValueError ((msg % n)) 
all_args.append (kwargs.pop (n)) 
return all_args 
win_type = _validate_win_type (self.win_type, _pop_args) 
            return sig.get_window (win_type, window).astype (float) 

    
    

    Fix the buggy line: win_type = _validate_win_type (self.win_type, _pop_args)
assistant
#Here is Python program to fix the buggy line: win_type = _validate_win_type (self.

win_type = _validate_win_type (self.win_type, kwargs)