[LLM] Fix Qwen2

[DrownFish19]

PR types

Bug fixes

PR changes

Models

Description

1. Fix import error for python3.8
2. Remove output_router_logits for predictor, issue [Bug]: Qwen2ForCausalLM.forward() got an unexpected keyword argument 'output_router_logits' #8583

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 54.42%. Comparing base (4609d07) to head (29af5ea).
Report is 241 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #8584   +/-   ##
========================================
  Coverage    54.42%   54.42%           
========================================
  Files          632      632           
  Lines        99450    99451    +1     
========================================
+ Hits         54128    54129    +1     
  Misses       45322    45322           

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[ZHUI]

LGTM