Add ap-northeast-1 (Tokio) region support (#196)

Author: juliodelgadoaws

src/sagemaker/amazon/amazon_estimator.py

@@ -236,14 +236,16 @@ def registry(region_name, algorithm=None):
             "us-east-1": "382416733822",
             "us-east-2": "404615174143",
             "us-west-2": "174872318107",
-            "eu-west-1": "438346466558"
+            "eu-west-1": "438346466558",
+            "ap-northeast-1": "351501993468"
         }[region_name]
     elif algorithm in ["lda"]:
         account_id = {
             "us-east-1": "766337827248",
             "us-east-2": "999911452149",
             "us-west-2": "266724342769",
-            "eu-west-1": "999678624901"
+            "eu-west-1": "999678624901",
+            "ap-northeast-1": "258307448986"
         }[region_name]
     else:
         raise ValueError("Algorithm class:{} doesn't have mapping to account_id with images".format(algorithm))