diff --git a/official/projects/waste_identification_ml/model_inference/Inference.ipynb b/official/projects/waste_identification_ml/model_inference/Inference.ipynb
index b5d584e96dd..d5673d130b8 100644
--- a/official/projects/waste_identification_ml/model_inference/Inference.ipynb
+++ b/official/projects/waste_identification_ml/model_inference/Inference.ipynb
@@ -101,7 +101,14 @@
       "outputs": [],
       "source": [
         "# Download the script to pull instance segmentation model weights from the TF Model Garden repo.\n",
-        "!wget -q https://raw.githubusercontent.com/tensorflow/models/master/official/projects/waste_identification_ml/model_inference/download_and_unzip_models.py"
+        "url = (\n",
+        "    \"https://raw.githubusercontent.com/\"\n",
+        "    \"tensorflow/models/master/\"\n",
+        "    \"official/projects/waste_identification_ml/\"\n",
+        "    \"model_inference/download_and_unzip_models.py\"\n",
+        ")\n",
+        "\n",
+        "!wget -q {url}"
       ]
     },
     {
@@ -219,8 +226,16 @@
         "# 'material_model' output is both material and its sub type e.g. Plastics_PET.\n",
         "# 'material_form_model' outputs the form of an object e.g. can, bottle, etc.\n",
         "MODEL_WEIGHTS = {\n",
-        "'material_url' : 'https://storage.googleapis.com/tf_model_garden/vision/waste_identification_ml/two_model_strategy/material/material_version_2.zip',\n",
-        "'material_form_url' : 'https://storage.googleapis.com/tf_model_garden/vision/waste_identification_ml/two_model_strategy/material_form/material_form_version_2.zip',\n",
+        "    'material_url': (\n",
+        "        'https://storage.googleapis.com/tf_model_garden/vision/'\n",
+        "        'waste_identification_ml/two_model_strategy/material/'\n",
+        "        'material_version_2.zip'\n",
+        "    ),\n",
+        "    'material_form_url': (\n",
+        "        'https://storage.googleapis.com/tf_model_garden/vision/'\n",
+        "        'waste_identification_ml/two_model_strategy/material_form/'\n",
+        "        'material_form_version_2.zip'\n",
+        "    ),\n",
         "}\n",
         "\n",
         "ALL_MODELS = {\n",
@@ -229,13 +244,22 @@
         "}\n",
         "\n",
         "LABELS = {\n",
-        "'material_model' : 'models/official/projects/waste_identification_ml/pre_processing/config/data/two_model_strategy_material.csv',\n",
-        "'material_form_model' : 'models/official/projects/waste_identification_ml/pre_processing/config/data/two_model_strategy_material_form.csv',\n",
+        "    'material_model': (\n",
+        "        'models/official/projects/waste_identification_ml/pre_processing/'\n",
+        "        'config/data/two_model_strategy_material.csv'\n",
+        "    ),\n",
+        "    'material_form_model': (\n",
+        "        'models/official/projects/waste_identification_ml/pre_processing/'\n",
+        "        'config/data/two_model_strategy_material_form.csv'\n",
+        "    ),\n",
         "}\n",
         "\n",
         "# Path to a sample image stored in the repo.\n",
         "IMAGES_FOR_TEST = {\n",
-        "  'Image1' : 'models/official/projects/waste_identification_ml/pre_processing/config/sample_images/image_2.png'\n",
+        "    'Image1': (\n",
+        "        'models/official/projects/waste_identification_ml/pre_processing/'\n",
+        "        'config/sample_images/image_2.png'\n",
+        "    )\n",
         "}"
       ]
     },