[chronometrist] bugfix my-get-saved-changeset-id

init.org

@@ -672,7 +672,9 @@ Return nil (and run `magit-status') if the user answers no."
              ;; the very latest OSM plist is the one we just created -
              ;; we want the one before that
              initially do (backward-list)
-             when (equal "OSM" (plist-get plist :name))
+             when (and (equal "OSM" (plist-get plist :name))
+                       ;; ignore plists without a :changesets keyword
+                       (plist-get plist :changesets))
              return plist))
           (((&plist :osm-url last-url)) (last saved-changesets)))
     (when last-url