Fix change detection for snapshot_at
Fix change detection for snapshot_at

asciinema/asciinema.org,asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema.org,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema-server,asciinema/asciinema.org