human
Solve the following python programming problem given the following code:
def apply_filters(stream, filters, lexer = None) : 
    "
    Use this method to apply an iterable of filters to
    a stream. If lexer is given it's forwarded to the
    filter, otherwise the filter receives `None`.
    " 
    def _apply(filter_, stream) : 
        for token in filter_.filter (lexer, stream) : 
            (yield token) 
for filter_ in _apply : 
        stream = _apply (filter_, stream) 
return stream 

    
    

    Fix the buggy line: for filter_ in _apply :
assistant
#Here is Python program to fix the buggy line: for filter_ in _apply :
.

for filter_ in filters :