human
Solve the following python programming problem given the following code:
def build_indices(self) : 
    self.status_fn ('Building indices...') 
    def _make_index(bag) : 
        idx = FLANNIndex (** self.flann_args) 
        idx.build_index (bag) 
        return idx 
pbar = (progress () if _make_index.progressbar else identity) 
    self.indices = [_make_index (b) for b in pbar (self.features.features)] 
    if self.progressbar : 
        pbar.finish () 

    
    

    Fix the buggy line: pbar = (progress () if _make_index.progressbar else identity)
assistant
#Here is Python code to fix the buggy line: pbar = (progress () if _make_index.

pbar = (progress () if self.progressbar else identity)