Checking for nvcc binary

Author: 95-martin-orion

.github/workflows/testing_wheels.yml

@@ -53,10 +53,16 @@ jobs:
       - uses: actions/setup-python@v2
 
       # Install NVCC on Ubuntu to include GPU in the wheel.
+      # TODO: open issues
+      #   - `which nvcc` finds nothing? (need to add to path?)
+      #   - testing GPU on non-GPU machine will fail
       - name: cuda-toolkit
         if: ${{ matrix.os == 'ubuntu-20.04' }}
         uses: Jimver/[email protected]
 
+      - name: Check for NVCC
+        run: which nvcc
+
       - name: Install cibuildwheel and twine
         run: python -m pip install cibuildwheel==1.11.0