Filter on metadata

app.py

   if metadata:
        res = app.app_state.collection.query(
            query_embeddings=query_embeddings,
            n_results=results,
            where={"Metadata": metadata},
            include=["documents", "metadatas", "distances", "embeddings"]
        )
    else:
        res = app.app_state.collection.query(
            query_embeddings=query_embeddings,
            n_results=results,
            include=["documents", "metadatas", "distances", "embeddings"]
        )