Bug: excepts. doc raises TypeError when exception type is a tuple

Bug: excepts. doc raises TypeError when exception type is a tuple: a task in repo2rlenv-swe-smith (Harbor dataset). Accessing the doc property of an excepts instance raises a TypeError when the exception type was specified as a tuple (e.g., (IndexError, KeyError) ). The error occurs inside the doc…

The task

Accessing the `__doc__` property of an `excepts` instance raises a `TypeError` when the exception type was specified as a tuple (e.g., `(IndexError, KeyError)`). The error occurs inside the `__doc__` property getter.

Part of FineEnvs/repo2rlenv-swe-smith.