[Bug] Missing specforge.modeling.target.sgl_model_wrapper import SglangTargetModel

Checklist

• 1. I have searched related issues but cannot get the expected help.
• 2. The bug has not been fixed in the latest version.
• 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.
• 4. If the issue you raised is not a bug but a question, please raise a discussion at https://github.com/sgl-project/SpecForge/discussions/new/choose Otherwise, it will be closed.
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Describe the bug

Run train_eagle3_sgl_online will cast no module named specforge.modeling.target.sgl_model_wrapper import SglangTargetModel error.

Reproduction

bash examples/run_llama3_eagle3_sgl_online.sh

Environment

Official environment setup.

Start by running bash examples/run_llama3_eagle3_sgl_online.sh in the official environment and inspect the import of specforge.modeling.target.sgl_model_wrapper.SglangTargetModel. Trace whether the module is present or exposed as expected; done means the reported import error no longer occurs when the reproduction command runs.