Https://github.com/home-assistant/home-assistant/tree/dev/homeassistant/components/esphome

I’m new here and excuse my clumsiness. I’m trying to integrate esphome and it won’t work. Can somebody please help me?
Thank you.

Error message:

20-02-20 21:03:19 INFO (MainThread) [hassio.store.git] Clone add-on https://github.com/home-assistant/home-assistant/tree/dev/homeassistant/components/esphome repository
20-02-20 21:03:20 ERROR (MainThread) [hassio.store.git] Can’t clone https://github.com/home-assistant/home-assistant/tree/dev/homeassistant/components/esphome repository: Cmd(‘git’) failed due to: exit code(128)