update

Author: snnn

tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml

@@ -881,14 +881,14 @@ stages:
         PoolName: Onnxruntime-Linux-GPU
         UpstreamJob: Linux_py_GPU_Wheels
 
-    # The following one doesn't work, need fixes
-    # - template: test_python_linux.yml
-      # parameters:
-        # ArtifactName: onnxruntime_linux_gpu_x86_64
-        # OrtPythonPackageName: onnxruntime_gpu
-        # PoolName: ubuntu-20.04	
-        # UsePublicHostedPool: true
-        # JobNameSuffix: '2'
+    - template: test_python_linux.yml
+      parameters:
+        ArtifactName: onnxruntime_linux_gpu_x86_64
+        OrtPythonPackageName: onnxruntime_gpu
+        PoolName: ubuntu-20.04
+        UsePublicHostedPool: true
+        JobNameSuffix: '2'
+        UpstreamJob: Linux_py_GPU_Wheels
 
   - ${{ if eq(parameters.enable_mac_cpu, true) }}:
     - template: test_python_linux.yml