chore: add return type hint in chain_data.py#855

travellingsoldier85 wants to merge 1 commit intoopentensor:mainopentensor/btcli:mainfrom

travellingsoldier85:auto-improve/type_hint/317f01-202603150901travellingsoldier85/btcli:auto-improve/type_hint/317f01-202603150901Copy head branch name to clipboard