Update src/main/python/main/ayab/version_checker.py

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/main/python/main/ayab/version_checker.py

@@ -54,8 +54,8 @@ def version_check_finished(self) -> None:
 
             data = self._version_check_reply.readAll()
             obj = json.loads(data.data())
-            if obj["draft"] is False and obj["prerelease"] is False:
-                latest_version = obj["tag_name"]
+            if not obj.get("draft", True) and not obj.get("prerelease", True):
+                latest_version = obj.get("tag_name")
                 if latest_version is not None and self.is_newer(latest_version):
                     url = (
                         f"https://github.com/{self.REPO}/releases/tag/{latest_version}"