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Bug#1050175: Missing symbol when importing torch



Package: python3-torch
Version: 1.13.1+dfsg-4
Severity: serious

Importing torch results in failure due to missing symbols:

$ python3
Python 3.11.4 (main, Jun  7 2023, 10:13:09) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import torch
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/torch/__init__.py", line 218, in
<module>
    from torch._C import *  # noqa: F403
    ^^^^^^^^^^^^^^^^^^^^^^
ImportError: /lib/x86_64-linux-gnu/libtorch_cpu.so.1.13: undefined
symbol: _ZN4onnx7checker11check_modelERKNS_10ModelProtoE
>>> 

pytorch requires rebuild due to updated libonnx1:

$ c++filt _ZN4onnx7checker11check_modelERKNS_10ModelProtoE
onnx::checker::check_model(onnx::ModelProto const&)

$ dpkg-query --show python3-torch libonnx1
libonnx1:amd64	1.13.1-1
python3-torch	1.13.1+dfsg-4

	Mattias

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