def new_index_page(self, noun: str, plural_noun: str) -> IndexPage:
        """Create an IndexPage for a kind of region."""
        return IndexPage(
            noun=noun,
            plural=plural_noun,
            filename="index.html" if noun == "file" else f"{noun}_index.html",
            summaries=[],
            totals=Numbers(precision=self.config.precision),
            skipped_covered_count=0,
            skipped_empty_count=0,
        )
Create an IndexPage for a kind of region.
coverage/html.py