libpng error

[wxyelena]

Hello everyone, I am a beginner who just started using DALI. First of all, I would like to thank the authors for this perfect job.
I am debugging this network. I always encounter the following problems:
Does any friend know how to solve it?

`libpng error: PNG input buffer is incomplete

/home/wuxinyu/code/frontalization/data.py:113: DeprecationWarning: Argument 'output_dtype' for operator 'CropMirrorNormalize' is now deprecated. Use 'dtype' instead.
mean=[128., 128., 128.], std=[128., 128., 128.],crop = [image_size,image_size]
/home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/plugin/base_iterator.py:157: Warning: Please set reader_name and don't set last_batch_padded and size manually whenever possible. This may lead, in some situations, to missing some samples or returning duplicated ones. Check the Sharding section of the documentation for more details.
_iterator_deprecation_warning()
Size of the training set: 149210
Traceback (most recent call last):
File "main1.py", line 80, in
for i, data in enumerate(train_pipe_loader, 0):
File "/home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/plugin/pytorch.py", line 181, in next
outputs = self._get_outputs()
File "/home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/plugin/base_iterator.py", line 250, in _get_outputs
outputs.append(p.share_outputs())
File "/home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/pipeline.py", line 693, in share_outputs
return self._pipe.ShareOutputs()
RuntimeError: Critical error in pipeline:
Error when executing Mixed operator ImageDecoder, instance name: "__ImageDecoder_2", encountered:
Error in thread 3: [/opt/dali/dali/operators/decoder/nvjpeg/nvjpeg_helper.h:165] [/opt/dali/dali/image/generic_image.cc:38] Assert on "decoded_image.data != nullptr" failed: Unsupported image type.
Stacktrace (9 entries):
[frame 0]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(+0x8ef0e) [0x7f9df0634f0e]
[frame 1]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(+0x193cd2) [0x7f9df0739cd2]
[frame 2]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(dali::Image::Decode()+0x34) [0x7f9df073ac24]
[frame 3]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali_operators.so(+0x7bf1b4) [0x7f9df1c6a1b4]
[frame 4]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali_operators.so(+0x7bf75b) [0x7f9df1c6a75b]
[frame 5]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(dali::ThreadPool::ThreadMain(int, int, bool)+0x217) [0x7f9df070eae7]
[frame 6]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(+0x8ad9bf) [0x7f9df0e539bf]
[frame 7]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db) [0x7f9f51a416db]
[frame 8]: /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f) [0x7f9f5176a71f]
. File:
Stacktrace (7 entries):
[frame 0]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali_operators.so(+0x416a8e) [0x7f9df18c1a8e]
[frame 1]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali_operators.so(+0x7bf3de) [0x7f9df1c6a3de]
[frame 2]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali_operators.so(+0x7bf75b) [0x7f9df1c6a75b]
[frame 3]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(dali::ThreadPool::ThreadMain(int, int, bool)+0x217) [0x7f9df070eae7]
[frame 4]: /home/wuxinyu/anaconda3/tmp/envs/Frontal/lib/python3.7/site-packages/nvidia/dali/libdali.so(+0x8ad9bf) [0x7f9df0e539bf]
[frame 5]: /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db) [0x7f9f51a416db]
[frame 6]: /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f) [0x7f9f5176a71f]

Current pipeline object is no longer valid.`

[anshen666]

请问方便留个联系方式吗？这个项目一直没跑通，可以留个联系方式交流一下吗？