Scenario: Minor fixes.

src/Model/Scenario.py

@@ -176,7 +176,7 @@ class Scenario(SQLSubModel):
             "scenario(id, x, y, name, description, revision, parent_id) " +
             "VALUES (" +
             f"{self._id}, " +
-            f"{self.x}, {self.y} " +
+            f"{self.x}, {self.y}, " +
             f"'{self._db_format(self.name)}', " +
             f"'{self._db_format(self.description)}', " +
             f"{self._revision}, " +

src/View/Scenarios/GraphWidget.py

@@ -86,6 +86,7 @@ class ScenarioItem(QGraphicsTextItem):
         self.graph.edges_display_update()
         return super(ScenarioItem, self).itemChange(change, value)
 
+
 class EdgeItem(QGraphicsItem):
     Type = QGraphicsItem.UserType + 11