Concatenation of text might cause mismatch of vectors and documents

[Schreinery]

hyperDB/hyperdb/hyperdb.py

Line 43 in 0ae8964

batches = [

I believe this will cause mismatch of list of documents and list of vectors.
Then query() can't find the right document to return.

[jdagdelen]

The APIs should return lists of embeddings, not one embedding for concatenated texts.