langchain/vectorstores/supabase.py/SupabaseVectorStore/__init__
class SupabaseVectorStore:    def __init__(
        self,
        client: supabase.client.Client,
        embedding: Embeddings,
        table_name: str,
        query_name: Union[str, None] = None,
    ) -> None:
        """Initialize with supabase client."""
        try:
            import supabase  # noqa: F401
        except ImportError:
            raise ValueError(
                "Could not import supabase python package. "
                "Please install it with `pip install supabase`."
            )

        self._client = client
        self._embedding: Embeddings = embedding
        self.table_name = table_name or "documents"
        self.query_name = query_name or "match_documents"