pegasus fix windows bug

[gongel]

PR types

Bug fixes

PR changes

Models

Description

• Try to fix [Question]: text_summarization->pegasus->train.py 使用cpu训练报错 #4374

[paddle-bot]

Thanks for your contribution!

[codecov]

Codecov Report

Merging #4431 (a6b37f9) into develop (bb88615) will increase coverage by 0.00%.
The diff coverage is 0.00%.

@@           Coverage Diff            @@
##           develop    #4431   +/-   ##
========================================
  Coverage    39.62%   39.63%           
========================================
  Files          433      433           
  Lines        60983    60983           
========================================
+ Hits         24166    24168    +2     
+ Misses       36817    36815    -2     

Impacted Files	Coverage Δ
paddlenlp/transformers/pegasus/modeling.py	21.42% <0.00%> (ø)
paddlenlp/transformers/roberta/modeling.py	90.21% <0.00%> (+0.36%)	⬆️
paddlenlp/utils/downloader.py	54.09% <0.00%> (+0.40%)	⬆️

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