langchain/document_loaders/readthedocs.py/ReadTheDocsLoader/load
class ReadTheDocsLoader:    def load(self) -> List[Document]:
        """Load documents."""
        docs = []
        for p in self.file_path.rglob("*"):
            if p.is_dir():
                continue
            with open(p, encoding=self.encoding, errors=self.errors) as f:
                text = self._clean_data(f.read())
            metadata = {"source": str(p)}
            docs.append(Document(page_content=text, metadata=metadata))
        return docs