[FSTORE-1666][APPEND] Import transformations functions from Hopsworks API in tutorials so that they are compatible with all project in APP (#317)

* importing transformation functions from hopsworks API for all tutorials

* importing transformation functions from hopsworks API for all tutorials

Author: manu-sj

real-time-ai-systems/fraud_online/2_fraud_online_training_pipeline.ipynb

@@ -160,8 +160,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Load the transformation functions.\n",
-    "label_encoder = fs.get_transformation_function(name=\"label_encoder\")\n",
+    "# Import transformation functions from Hopsworks.\n",
+    "from hopsworks.hsfs.builtin_transformations import label_encoder\n",
     "\n",
     "# Map features to transformation functions.\n",
     "transformation_functions = [\n",
@@ -192,7 +192,7 @@
     "    version=1,\n",
     "    query=selected_features,\n",
     "    labels=[\"fraud_label\"],\n",
-    "    transformation_functions=[label_encoder(\"country\"), label_encoder(\"gender\")],\n",
+    "    transformation_functions=transformation_functions,\n",
     "    logging_enabled=True\n",
     ")"
    ]

real-time-ai-systems/timeseries/2_training_pipeline.ipynb

@@ -117,8 +117,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Load transformation function\n",
-    "min_max_scaler = fs.get_transformation_function(name=\"min_max_scaler\")\n",
+    "# Import transformation functions from Hopsworks.\n",
+    "from hopsworks.hsfs.builtin_transformations import min_max_scaler\n",
     "\n",
     "# Define a list of feature names\n",
     "feature_names = [\n",