Merge pull request #808 from linshokaku/fix-nightly-test-5

Update PyTorch installation in nightly test workflow

Author: kmaehashi

.github/workflows/nightly-test-cpu.yml

@@ -25,7 +25,7 @@ jobs:
     - name: Install
       run: |
         pip install -U pip wheel
-        pip install -v -e . -r ./tests/requirements.txt --pre torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/nightly/cpu 
+        pip install -v -e . -r ./tests/requirements.txt  "torch>=0.0.0a1" "torchvision>=0.0.0a1" "torchaudio>=0.0.0a1" --extra-index-url https://download.pytorch.org/whl/nightly/cpu 
         # Test PPE is importable with minimum dependency
         python -c 'import pytorch_pfn_extras'