caiqi opened a new issue #12619: Too large max depth value in _recursive_fork_recordio URL: https://github.com/apache/incubator-mxnet/issues/12619 It seems that 1000 is too large for _recursive_fork_recordio in https://github.com/apache/incubator-mxnet/blob/master/python/mxnet/gluon/data/dataloader.py#L178 Even if len(obj.__dict__.items()) > 2, this function will be called by more than 2 ** 1000 times. The following code in https://github.com/dmlc/gluon-cv/blob/master/scripts/detection/ssd/train_ssd.py#L96 in gluon-cv will cause `RecursionError: maximum recursion depth exceeded in comparison` error on windows 10 with the latest build. I found that the reason is that there will be a HybridSequential object in the dataset object and the HybridSequential contains many children. This function is brought in commit #12554 .
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