Follow-up to #5485 – Fix import errors in Glm4ForCausalLM integration

[Muqi1029]

Motivation

• This PR fixes several import errors that exist in Support THUDM/GLM-4-0414 (GLM-Z1) Glm4ForCausalLM architecture. #5485.

Modifications

Checklist

• Format your code according to the Code Formatting with Pre-Commit.
• Add unit tests as outlined in the Running Unit Tests.
• Update documentation / docstrings / example tutorials as needed, according to Writing Documentation.
• Provide throughput / latency benchmark results and accuracy evaluation results as needed, according to Benchmark and Profiling and Accuracy Results.
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