Run 5 levels of summarization-level 3 mapreduce code got an error

[lemondy]

when i run level 3 map reduce code, i got an error like :

ValueError: OpenAIChat currently only supports single prompt, got 

I think it comes form code:

output = summary_chain.run(docs)

i have search from the interenet, and still not find a solution, so how can i solved this.

my local environment:

Python 3.9.5 (default, May 18 2021, 12:31:01) langchain 0.0.167 openai 0.27.6

[gkamradt]

How many docs are in your docs? You may have to wrap it in a list like [docs].