ai-agents-fallback-multimodal-multimodal-requests-with-image-url-fallback-betwee-19e97cda

THEN Deep-copy the messages list before passing to each fallback provider in the router logic. In Python, use copy.deepcopy(messages) to ensure transformations like converting image_url to inline_data do not alter the original payload, preserving data for subsequent fallback calls.

import copy
messages_copy = copy.deepcopy(messages)
response = await provider.acompletion(messages=messages_copy, **kwargs)