I have noticed that validation web search v0.6 and public test web search v0.6 never return None when we call search_pipeline() locally. This makes sense because a RAG search uses cosine similarity, and it can always find and return k chunks.
But during submission, the private web search v0.6 search_pipeline() returns None. The private web search v0.5 did not return None.
Today, AIcrowd is re-running all our submissions. All of my re-run submissions are failing because of these None (but worked fine with v0.5). Is something going wrong with private web search v0.6 search_pipeline()? What would cause it to return None? And is it only returning a few None or is every call returning None?