cater_preprocessing/utils.py [325:335]:
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        if len(v) != 1: continue 
        obj = list(v)[0]
        if obj not in out: out[obj] = []
        out[obj].append(k)
    if len(out) != len(scene_struct['objects']): duplicate_objs = True  
    output = [None] * len(scene_struct['objects'])
    num_not_nones = [None] * len(scene_struct['objects'])
    for k,v in out.items():
        output[k] = v 
        num_not_none = []
        for i in v: 
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cater_preprocessing/utils.py [364:375]:
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        if len(v) != 1: continue 
        obj = list(v)[0]
        if obj not in out: out[obj] = []
        out[obj].append(k)
    #pdb.set_trace()
    if len(out) != len(scene_struct['objects']): duplicate_objs = True  
    output = [None] * len(scene_struct['objects'])
    num_not_nones = [None] * len(scene_struct['objects'])
    for k,v in out.items():
        output[k] = v 
        num_not_none = []
        for i in v: 
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