Quy Dinh

Results 2 issues of Quy Dinh

Not sure why initiating Qdrant collection would not take the default value = 1 for `max_optimization_threads`, but for me making this change fixes the issue #72.

### Description `BiVAECF` fails to run on quick start examples Code Below is the basic test case added w.r.t. to the error: ``` import unittest from cornac.data import Dataset, Reader...