code formatting fix (#287)

Author: vivekmadan2

introduction_to_amazon_algorithms/jumpstart_upscaling/Amazon_JumpStart_Upscaling.ipynb

@@ -149,7 +149,10 @@
     "from sagemaker.predictor import Predictor\n",
     "from sagemaker.utils import name_from_base\n",
     "\n",
-    "(model_id, model_version,) = (\n",
+    "(\n",
+    "    model_id,\n",
+    "    model_version,\n",
+    ") = (\n",
     "    \"model-upscaling-stabilityai-stable-diffusion-x4-upscaler-fp16\",\n",
     "    \"1.*\",\n",
     ")\n",