Install TorchVision from source

.github/workflows/benchmarks.yaml

@@ -21,27 +21,42 @@ jobs:
     steps:
       - name: Check out repo
         uses: actions/checkout@v3
+
       - name: Setup conda env
         uses: conda-incubator/setup-miniconda@v2
         with:
           auto-update-conda: true
           miniconda-version: "latest"
           activate-environment: test
           python-version: '3.12'
+
       - name: Update pip
         run: python -m pip install --upgrade pip
-      - name: Install dependencies and FFmpeg
+
+      - name: Install FFmpeg, PyTorch and TorchAudio
         run: |
           conda install "ffmpeg=6" pkg-config -c conda-forge
-          python -m pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cpu
-          python -m pip install decord matplotlib pandas numpy
+          python -m pip install --pre torch torchaudio --index-url https://download.pytorch.org/whl/nightly/cpu
           ffmpeg -version
+
+      - name: Download, build and install TorchVision
+        run: |
+          git clone https://github.com/pytorch/vision.git
+          cd vision
+          python setup.py install
+
+      - name: Install all other dependencies
+        run: |
+          python -m pip install decord matplotlib pandas numpy
+
       - name: Build and install torchcodec
         run: |
           python -m pip install -e ".[dev]" --no-build-isolation -vvv
+
       - name: Test generic decoder benchmark
         run: |
           python benchmarks/decoders/benchmark_decoders.py --bm_video_speed_min_run_seconds 1
+
       - name: TEST README data geeneration benchmark
         run: |
           python benchmarks/decoders/generate_readme_data.py --test_run