check if CUDA is available

Author: pmeier

.github/workflows/test-linux-gpu.yml

@@ -55,8 +55,12 @@ jobs:
           -c "pytorch-${CHANNEL}" \
           -c nvidia "pytorch-${CHANNEL}"::pytorch[build="*${VERSION}*"] \
           "${CUDATOOLKIT}"
+        
+        python3 -m torch.utils.collect_env
+        python3 -c "import torch; exit(not torch.cuda.is_available())"
+        
         python3 setup.py develop
-        python3 -m pip install pytest pytest-mock 'av<10'
+        python3 -m pip install --progress-bar=off pytest pytest-mock 'av<10'
         
         python3 -m pytest -vrA test/test_gpu_ci.py