Raise LabNotFound only on 404 Not Found

Author: tmikuska

virl2_client/models/lab.py

@@ -1385,7 +1385,8 @@ def _sync_topology(self, exclude_configurations: bool | None = False) -> None:
                 and f"Lab not found: {self._id}" in exc.response.text
             ):
                 self._stale = True
-            raise LabNotFound(f"Error syncing lab: {error_msg}")
+                raise LabNotFound(f"Error syncing lab: {error_msg}")
+            raise
 
         topology = result.json()