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convert to tensor does not support torch tensors on "meta" device

convert to tensor does not support torch tensors on "meta" device: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). I faced the same error then 19376 using the torch backend. While investigating, I found that the "root" issue comes from convert to tensor not supporting torch…

The task

I faced the same error then #19376 using the torch backend. While investigating, I found that the "root" issue comes from convert_to_tensor not supporting torch tensors defined on "meta" device. Way to reproduce Outputs System version

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