Found a minor bug in the output order of events in EarthSatellite.find_events(): when the rise and summit times are the same, it lists the summit time before the rise time.
Recreate using this TLE:
1 900U 64063C 21147.18413222 .00000266 00000-0 27497-3 0 9992
2 900 90.1648 34.0968 0029447 100.6955 23.6656 13.73535518817635
Propagate across UTC 2 Sept 2021 10:00 to 2 Sept 2021 11:00, using a horizon of 30 deg.