Define DbmsConnectionInfo in relevant cell

Before it was needed to execute the estimation cell

Author: FlorentinD

examples/gds-sessions.ipynb

@@ -120,7 +120,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from graphdatascience.session import AlgorithmCategory, DbmsConnectionInfo\n",
+    "from graphdatascience.session import AlgorithmCategory\n",
     "\n",
     "# Estimate the memory needed for the GDS session\n",
     "memory = sessions.estimate(\n",
@@ -138,6 +138,8 @@
    "source": [
     "from datetime import timedelta\n",
     "\n",
+    "from graphdatascience.session import DbmsConnectionInfo\n",
+    "\n",
     "# Identify the AuraDB instance\n",
     "db_connection = DbmsConnectionInfo(\n",
     "    uri=os.environ[\"AURA_DB_ADDRESS\"], username=os.environ[\"AURA_DB_USER\"], password=os.environ[\"AURA_DB_PW\"]\n",