update-vuln: _add_annotation_to_cve: don't create a new Bug

We can just modify the existing object now.

1 files changed, 3 insertions, 3 deletions

diff --git a/bin/update-vuln b/bin/update-vuln
index d40a399758..3d733841c4 100755
--- a/bin/update-vuln
+++ b/bin/update-vuln
@@ -120,14 +120,14 @@ class ParseUpdates:
             bug_list = []
             for item in existing:
                 bug_list.append(store[item])
+            bug.annotations = bug_list
 
         elif isinstance(annotation, StringAnnotation):
-            bug_list = list(bug.annotations)
-            bug_list.append(annotation)
+            bug.annotations.append(annotation)
         else:
             raise ValueError(f"Unsupported annotation type: {type(annotation)}")
 
-        return Bug(bug.file, bug.header, tuple(bug_list))
+        return bug
 
     def _replace_annotation_on_line(self, cve, line, mod_line):
         index = self.bugs[cve].annotations.index(line)