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ConnectTimeoutError to api.colabfold.com when using Boltz --use_msa_server #839

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@Kj-23

Description:
I am running Boltz2 on an Ubuntu server and using:

boltz predict input.yaml --use_msa_server --use_potentials --accelerator gpu --devices 1 --no_kernels

Boltz fails during MSA generation when it tries to contact the default ColabFold MSA API:

https://api.colabfold.com

The error is a connection timeout before the MSA job is submitted/completed.

Boltz source/default behavior:
--use_msa_server uses:
https://api.colabfold.com

In the installed Boltz source, requests to the MSA server use a short timeout:
timeout=6.02
with retries.

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