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Failing test case using pyupgrade 2.25.0:

Failing test case using pyupgrade 2.25.0:: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). The problem is while f"{None}" works, advanced string format arguments do not: Possible workaround: This issue was found in https://github.com/biopython/biopython/pull/3724

The task

The problem is while f"{None}" works, advanced string format arguments do not: Possible workaround: This issue was found in https://github.com/biopython/biopython/pull/3724

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.