Remove incorrect deep_gemm assertions from server_args.py

[ch-wan]

Removed assertions related to DeepGemm MoE runner backend.

Motivation

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[gemini-code-assist]

Summary of Changes

Hello @ch-wan, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a configuration validation issue by removing an incorrect assertion within the server argument parsing logic. The removed assertion was erroneously restricting the usage of the deep_gemm MoE runner backend, which could prevent valid system configurations. By eliminating this faulty check, the change enhances the flexibility and correctness of how MoE backends are configured.

Highlights

• Assertion Removal: The pull request removes an assertion related to the "deep_gemm" MoE runner backend in server_args.py. This assertion incorrectly enforced ep_size > 1 and moe_a2a_backend == "deepep" for DeepGemm, which was found to be an incorrect constraint.

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[gemini-code-assist]

Code Review

This pull request removes an incorrect assertion related to the deep_gemm MoE runner backend. The assertion required ep_size > 1 and moe_a2a_backend == "deepep", which was overly restrictive as the deep_gemm runner is also designed to work with moe_a2a_backend="none" (implying ep_size=1). The removal of this assertion is correct and allows for more flexible configuration of the MoE runner. The change is simple and looks good.

[Kangyan-Zhou]

/tag-and-rerun-ci