Method __exit__

Lib/importlib/_bootstrap.py:173–175

Remove self.lock from this thread's _blocking_on list.

(self, *args, **kwargs)

        self.blocked_on.append(self.lock)

    def __exit__(self, *args, **kwargs):
        """Remove self.lock from this thread's _blocking_on list."""
        self.blocked_on.remove(self.lock)


class _DeadlockError(RuntimeError):