attempt fixing unit test version incompatibility

Differential Revision: D62472378

.github/workflows/unit_test.yaml

@@ -25,7 +25,7 @@ jobs:
         run: |
           set -eux
           conda activate test
-          conda install pytorch torchaudio torchvision cpuonly -c pytorch-nightly
+          conda install cpuonly pytorch torchaudio torchvision -c pytorch-nightly
           pip install -r requirements.txt
           pip install -r dev-requirements.txt
           pip install --no-build-isolation -e ".[dev]"