Method _raise_needs_rebase

src/ghstack/submit.py:1054–1060

(self)

        )

    def _raise_needs_rebase(self) -> None:
        raise RuntimeError(
            """\
ghstack --next requires all PRs in the stack to be open.  One of your PRs
is closed (likely due to being merged).  Please rebase to upstream and try again.
"""
        )

    def _warn_empty(
        self, diff: ghstack.diff.Diff, elab_diff: Optional[DiffWithGitHubMetadata]