diff --git a/src/primaite/notebooks/Training-an-SB3-Agent.ipynb b/src/primaite/notebooks/Training-an-SB3-Agent.ipynb
index ee51aa58..bf272329 100644
--- a/src/primaite/notebooks/Training-an-SB3-Agent.ipynb
+++ b/src/primaite/notebooks/Training-an-SB3-Agent.ipynb
@@ -163,7 +163,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "venv",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -177,9 +177,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.11"
+   "version": "3.8.10"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }
diff --git a/src/primaite/simulator/system/services/database/database_service.py b/src/primaite/simulator/system/services/database/database_service.py
index 0872074f..24ae9b63 100644
--- a/src/primaite/simulator/system/services/database/database_service.py
+++ b/src/primaite/simulator/system/services/database/database_service.py
@@ -43,10 +43,16 @@ class DatabaseService(Service):
         self._create_db_file()
 
     def install(self):
+        """
+        Perform first-time setup of the DatabaseService.
+
+        Installs an instance of FTPClient on the Node to enable database backup if it isn't installed already.
+        """
         super().install()
         if not self.software_manager.software.get("FTPClient"):
             self.sys_log.info(f"{self.name}: Installing FTPClient to enable database backups")
             self.software_manager.install(FTPClient)
+
     def configure_backup(self, backup_server: IPv4Address):
         """
         Set up the database backup.
@@ -77,9 +83,7 @@ class DatabaseService(Service):
 
         # send backup copy of database file to FTP server
         if not self.db_file:
-            self.sys_log.error(
-                f"{self.name}: Attempted to backup database file but it doesn't exist."
-            )
+            self.sys_log.error(f"{self.name}: Attempted to backup database file but it doesn't exist.")
             return False
 
         response = ftp_client_service.send_file(
@@ -170,11 +174,11 @@ class DatabaseService(Service):
         return str(uuid4())
 
     def _process_connect(
-            self,
-            src_ip: IPv4Address,
-            connection_request_id: str,
-            password: Optional[str] = None,
-            session_id: Optional[str] = None,
+        self,
+        src_ip: IPv4Address,
+        connection_request_id: str,
+        password: Optional[str] = None,
+        session_id: Optional[str] = None,
     ) -> Dict[str, Union[int, Dict[str, bool]]]:
         """Process an incoming connection request.
 
@@ -215,10 +219,10 @@ class DatabaseService(Service):
         }
 
     def _process_sql(
-            self,
-            query: Literal["SELECT", "DELETE", "INSERT", "ENCRYPT"],
-            query_id: str,
-            connection_id: Optional[str] = None,
+        self,
+        query: Literal["SELECT", "DELETE", "INSERT", "ENCRYPT"],
+        query_id: str,
+        connection_id: Optional[str] = None,
     ) -> Dict[str, Union[int, List[Any]]]:
         """
         Executes the given SQL query and returns the result.
diff --git a/tests/integration_tests/system/test_database_on_node.py b/tests/integration_tests/system/test_database_on_node.py
index a0b47d2e..ea7d7aae 100644
--- a/tests/integration_tests/system/test_database_on_node.py
+++ b/tests/integration_tests/system/test_database_on_node.py
@@ -357,7 +357,8 @@ def test_client_connection_terminate_does_not_terminate_another_clients_connecti
     assert db_connection_b.query("SELECT")
     assert len(db_service.connections) == 1
 
+
 def test_database_server_install_ftp_client():
     server = Server(hostname="db_server", ip_address="192.168.1.2", subnet_mask="255.255.255.0", start_up_duration=0)
     server.software_manager.install(DatabaseService)
-    assert server.software_manager.software.get("FTPClient")
\ No newline at end of file
+    assert server.software_manager.software.get("FTPClient")