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Question about setting LANGCHAIN_HANDLER environment variable

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Hello, I came across a code snippet in the tutorial page on "Conversation Agent (for Chat Models)" that has left me a bit confused. The tutorial also mentioned a warning...

子豪兄您好，您的labelme转coco数据集代码“【D】Labelme转COCO-批量.ipynb”中有如下部分 `def process_single_json(labelme, image_id=1): global ANN_ID coco_annotations = [] for each_ann in labelme['shapes']: # 遍历该json文件中的所有标注 if each_ann['shape_type'] == 'rectangle': # 筛选出框 ## 该框的元数据 bbox_dict = {} # 该框的类别 信息 bbox_dict['category_id']...