Prompt messages with list as content consumed in the first iteration

[erkamkavak]

Hi, I guess this issue is very similar to following: https://github.com/PrimeIntellect-ai/verifiers/issues/244

I am trying to implement an environment which requires multimodal input. I am trying to provide list as content in the initial prompts(text and image). But this list is converted to Iterable object in ChatCompletionMessageParam and it is consumed in the first iteration. It sends empty messages in the following iterations.