Revert display using pandas in notebook

Code was not supported by all pandas versions

Author: FlorentinD

doc/modules/ROOT/pages/tutorials/gds-sessions-self-managed.adoc

@@ -84,6 +84,7 @@ delete the session ourselves.
 ----
 import os
 from graphdatascience.session import DbmsConnectionInfo, AlgorithmCategory, CloudLocation
+from datetime import timedelta
 
 # Identify the Neo4j DBMS
 db_connection = DbmsConnectionInfo(uri=os.environ["NEO4J_URI"], username=os.environ["NEO4J_USER"], password=os.environ["NEO4J_PASSWORD"])
@@ -113,11 +114,12 @@ what that looks like
 
 [source, python, role=no-test]
 ----
-gds_sessions = sessions.list()
+%uv pip show pandas
+----
 
-# Display the sessions
-from pandas import DataFrame
-DataFrame(gds_sessions)
+[source, python, role=no-test]
+----
+gds_sessions = sessions.list()
 ----
 
 == Adding a dataset

doc/modules/ROOT/pages/tutorials/gds-sessions.adoc

@@ -111,10 +111,6 @@ what that looks like
 [source, python, role=no-test]
 ----
 sessions.list()
-
-# Display the sessions
-from pandas import DataFrame
-DataFrame(sessions)
 ----
 
 == Adding a dataset

examples/gds-sessions-self-managed.ipynb

@@ -122,6 +122,7 @@
    "source": [
     "import os\n",
     "from graphdatascience.session import DbmsConnectionInfo, AlgorithmCategory, CloudLocation\n",
+    "from datetime import timedelta\n",
     "\n",
     "# Identify the Neo4j DBMS\n",
     "db_connection = DbmsConnectionInfo(uri=os.environ[\"NEO4J_URI\"], username=os.environ[\"NEO4J_USER\"], password=os.environ[\"NEO4J_PASSWORD\"])\n",
@@ -159,11 +160,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "gds_sessions = sessions.list()\n",
-    "\n",
-    "# Display the sessions\n",
-    "from pandas import DataFrame\n",
-    "DataFrame(gds_sessions)"
+    "%uv pip show pandas"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "gds_sessions = sessions.list()"
    ]
   },
   {

examples/gds-sessions.ipynb

@@ -155,11 +155,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "sessions.list()\n",
-    "\n",
-    "# Display the sessions\n",
-    "from pandas import DataFrame\n",
-    "DataFrame(sessions)"
+    "sessions.list()"
    ]
   },
   {