[GitHub] [incubator-mxnet] LewsTherin511 edited a comment on issue #14875: MXNet to ONNX export bug

[GitBox <gi...@apache.org>]

LewsTherin511 edited a comment on issue #14875:
URL: https://github.com/apache/incubator-mxnet/issues/14875#issuecomment-887301408


   Hi! Thanks again for your assistance last time, it worked perfectly! 
   
   However, I noticed something weird.
   When I first used your script, I was working on another computer, and everything went ok. Yesterday, I tried exporting to ONNX on another machine, and I got the usual error:
   `ValueError: invalid literal for int() with base 10: 'None'
   `
   The machine I'm having problem with has 
   gluoncv (0.10.4.post0)
   mxnet-mkl (1.6.0)
   onnx (1.9.0)
   
   So, I tried the update script, but running it seems to somehow break the mxnet installation. After the update, whenever I try importing mxnet, I get the error:
   `File "<stdin>", line 1, in <module>
     File "/home/lews/anaconda3/envs/gluon/lib/python3.8/site-packages/mxnet/__init__.py", line 31, in <module>
       from . import contrib
     File "/home/lews/anaconda3/envs/gluon/lib/python3.8/site-packages/mxnet/contrib/__init__.py", line 31, in <module>
       from . import onnx
     File "/home/lews/anaconda3/envs/gluon/lib/python3.8/site-packages/mxnet/contrib/onnx/__init__.py", line 22, in <module>
       from ...onnx import export_model as export_model_
   ModuleNotFoundError: No module named 'mxnet.onnx'
   `
   and when importing GluonCV I got the error:
   `File "/home/lews/anaconda3/envs/gluon/lib/python3.8/site-packages/gluoncv/__init__.py", line 33, in <module>
       raise ImportError('Unable to import modules due to missing `mxnet` & `torch`. '
   ImportError: Unable to import modules due to missing `mxnet` & `torch`. You should install at least one deep learning framework.`
   Clearly, the exporting script still doesn't work, nor does anything else MXNet related.
   
   
   On the same machine, I tried creating a new virtual environment with:
   mxnet (1.8.0.post0)
   gluoncv (0.10.4.post0)
   
   as before, everything works ok (generically using MXNet/GluonCV models), and the ONNX export doesn't. The error this time is different:
   `AttributeError: No conversion function registered for op type _greater_scalar yet.`
   I tried the update script again, and the problems are the same:
   *) when importing mxnet
   `ModuleNotFoundError: No module named 'mxnet.onnx'
   `
   *) and, when importing gluoncv:
   `ImportError: Unable to import modules due to missing `mxnet` & `torch`. You should install at least one deep learning framework.
   `
   
   I still have everything working on the old machine, but I thought it might be useful the problem. :)
   


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