Update notebook per changes to train_synthetics and gretel_model (#128)

Author: mikeknep

notebooks/relational.ipynb

@@ -46,7 +46,7 @@
     "relational_data = connector.extract()\n",
     "\n",
     "mt = MultiTable(relational_data)\n",
-    "mt.train_synthetics()\n",
+    "mt.train_synthetics(config=\"synthetics/amplify\")\n",
     "mt.generate()\n",
     "\n",
     "connector.save(mt.synthetic_output_tables, prefix=\"synthetic_\")"
@@ -241,7 +241,6 @@
     "multitable = MultiTable(\n",
     "    relational_data,\n",
     "    # project_display_name=\"multi-table\",\n",
-    "    # gretel_model=\"amplify\",\n",
     "    # strategy=\"independent\",\n",
     "    # refresh_interval=60,\n",
     ")"
@@ -393,13 +392,13 @@
    "source": [
     "# Train synthetic models for all tables\n",
     "\n",
-    "multitable.train_synthetics()\n",
+    "multitable.train_synthetics(config=\"synthetics/amplify\")\n",
     "\n",
     "# Optionally limit which tables are trained for synthetics via `only` (included) or `ignore` (excluded).\n",
     "# Given our example data, the two calls below will lead to the same tables getting trained, just specified different ways.\n",
     "#\n",
-    "# multitable.train_synthetics(ignore={\"distribution_center\", \"products\"})\n",
-    "# multitable.train_synthetics(only={\"users\", \"events\", \"inventory_items\", \"order_items\"})"
+    "# multitable.train_synthetics(config=\"synthetics/amplify\", ignore={\"distribution_center\", \"products\"})\n",
+    "# multitable.train_synthetics(config=\"synthetics/amplify\", only={\"users\", \"events\", \"inventory_items\", \"order_items\"})"
    ]
   },
   {