Fix formatting issues

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/models.py

@@ -3284,9 +3284,7 @@ class Meta:
                 fields=["_all_impacts_unfurled", "id"],
                 name="advisory_unfurled_idx",
             ),
-            models.Index(
-                fields=["is_latest", "_all_impacts_unfurled"]
-            )
+            models.Index(fields=["is_latest", "_all_impacts_unfurled"]),
         ]
 
     def save(self, *args, **kwargs):