fix: skip pytorch ei test in unsupported regions

Author: Deng

tests/integ/test_pytorch_train.py

@@ -120,6 +120,10 @@ def test_deploy_model(pytorch_training_job, sagemaker_session, cpu_instance_type
 
 
 @pytest.mark.skipif(PYTHON_VERSION == "py2", reason="PyTorch EIA does not support Python 2.")
+@pytest.mark.skipif(
+    tests.integ.test_region() not in tests.integ.EI_SUPPORTED_REGIONS,
+    reason="EI isn't supported in that specific region.",
+)
 def test_deploy_model_with_accelerator(sagemaker_session, cpu_instance_type):
     endpoint_name = "test-pytorch-deploy-eia-{}".format(sagemaker_timestamp())
     model_data = sagemaker_session.upload_data(path=EIA_MODEL)
@@ -134,7 +138,7 @@ def test_deploy_model_with_accelerator(sagemaker_session, cpu_instance_type):
         predictor = pytorch.deploy(
             initial_instance_count=1,
             instance_type=cpu_instance_type,
-            accelerator_type="ml.eia2.medium",
+            accelerator_type="ml.eia1.medium",
             endpoint_name=endpoint_name,
         )