Update tests.yml

Author: atalman

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
         runner: ["linux.12xlarge"]
         gpu-arch-type: ["cpu"]
         include:
-          - python-version: 3.10
+          - python-version: "3.10"
             runner: linux.g5.4xlarge.nvidia.gpu
             gpu-arch-type: cuda
             gpu-arch-version: "12.6"
@@ -154,7 +154,7 @@ jobs:
       script: |
         set -euo pipefail
 
-        export PYTHON_VERSION=3.10
+        export PYTHON_VERSION="3.10"
         export GPU_ARCH_TYPE=cpu
         export GPU_ARCH_VERSION=''