langchain/document_loaders/evernote.py/EverNoteLoader/load
class EverNoteLoader:    def load(self) -> List[Document]:
        """Load documents from EverNote export file."""
        documents = [
            Document(
                page_content=note["content"],
                metadata={
                    **{
                        key: value
                        for key, value in note.items()
                        if key not in ["content", "content-raw", "resource"]
                    },
                    **{"source": self.file_path},
                },
            )
            for note in self._parse_note_xml(self.file_path)
            if note.get("content") is not None
        ]

        if not self.load_single_document:
            return documents

        return [
            Document(
                page_content="".join([document.page_content for document in documents]),
                metadata={"source": self.file_path},
            )
        ]