skip vllm test (requires CUDA)

.github/workflows/unit_tests.yml

@@ -63,7 +63,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -e '.[testing,anthropic,vllm,sentencepiece]' --extra-index-url https://download.pytorch.org/whl/cpu
+        pip install -e '.[testing,anthropic,sentencepiece]' --extra-index-url https://download.pytorch.org/whl/cpu
 #         Install optional git dependencies
 #                pip install bleurt@https://github.com/google-research/bleurt/archive/b610120347ef22b494b6d69b4316e303f5932516.zip#egg=bleurt
 #        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

tests/models/test_vllm.py

@@ -8,6 +8,7 @@ import torch
 
 @pytest.mark.skip(reason="requires CUDA")
 class TEST_VLLM:
+    vllm = pytest.importorskip("vllm")
     try:
         from lm_eval.models.vllm_causallms import VLLM