[TaskFlow] Fix pir for taskflow

[DrownFish19]

Before submitting

• Lint code. If there are lint issues, please format the code first.

# Install and register `pre-commit` in the project folder
pip install pre-commit && pre-commit install

# Process previous code files separately
pre-commit run --file XXXX.py

• Add test cases into tests folder. If there are codecov issues, please add tests cases first.

PR types

Bug fixes

PR changes

Others

Description

Fix taskflow when PIR=ON.

[paddle-bot]

Thanks for your contribution!

[ZHUI]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 52.20%. Comparing base (eab22f2) to head (09ea16d).

❗ Current head 09ea16d differs from pull request most recent head 20fa6a3

Please upload reports for the commit 20fa6a3 to get more accurate results.

Files with missing lines	Patch %	Lines
paddlenlp/taskflow/task.py	20.00%	4 Missing ⚠️

❌ Your patch check has failed because the patch coverage (20.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.
❌ Your project check has failed because the head coverage (52.20%) is below the target coverage (58.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #9822   +/-   ##
========================================
  Coverage    52.19%   52.20%           
========================================
  Files          731      730    -1     
  Lines       115882   115851   -31     
========================================
- Hits         60489    60483    -6     
+ Misses       55393    55368   -25     

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[DrownFish19]

此文件经过pre-commit修改，多为格式修改