v2.1b10

What's Changed

• fix: simple change to avoid division by zero in unserved_energy calc by @callumtilbury in #89
• Citylearn challenge 2023 power outage env by @kingsleynweye in #90

New Contributors

• @callumtilbury made their first contribution in #89

Full Changelog: v2.1b9...v2.1b10