fix error with `Literal`, causing tests/docs to fail#3764

Bibo-Joshi merged 1 commit intodrop-py-37python-telegram-bot/python-telegram-bot:drop-py-37from

fix-admonition-inserter-after-adding-literalspython-telegram-bot/python-telegram-bot:fix-admonition-inserter-after-adding-literalsCopy head branch name to clipboard