[GitHub] [incubator-mxnet] josephevans commented on issue #20389: windows-cpu flaky tests

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

josephevans commented on issue #20389:
URL: https://github.com/apache/incubator-mxnet/issues/20389#issuecomment-877439715


   @TristonC mentioned seeing test failures with random number generation when updating to scipy 1.7.0. He reverted to 1.6.3 and the tests were passing. 
   
   Scipy was released recently, and on windows CI, we install the python dependencies from `tests/requirements.txt`, which does not specify a specific version (thus was installing the latest, 1.7.0) I have changed this to `scipy<1.7.0` in https://github.com/apache/incubator-mxnet/pull/20428 to use scipy 1.6.3 instead.
   
   For linux CI pipelines, we hardcode `scipy==1.2.1` in `ci/docker/install/requirements`, but in `ci/docker/install/ubuntu_caffe.sh`, we install requirements (one at a time) from the Caffe repository. This is inadvertently upgrading scipy to 1.7.0. I have disabled installing the Caffe requirements file also in https://github.com/apache/incubator-mxnet/pull/20428, to prevent this. 


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