get region from boto client

Author: andremoeller

sagemaker-spark/pyspark_mnist/xgboost_mnist.ipynb

@@ -87,8 +87,10 @@
    },
    "outputs": [],
    "source": [
-    "# replace this with your own region, such as us-east-1\n",
-    "region = 'us-east-1'\n",
+    "import boto3\n",
+    "\n",
+    "# use the region-specific sample data bucket\n",
+    "region = boto3.Session().region_name\n",
     "trainingData = spark.read.format('libsvm')\\\n",
     "    .option('numFeatures', '784')\\\n",
     "    .option('vectorType', 'dense')\\\n",