bug(SDK): fix pipeline batch size return error

[tianweidut]

Description

Modules

• Python-SDK

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (411c05d) 82.99% compared to head (abee458) 92.22%.

Files	Patch %	Lines
client/starwhale/api/_impl/evaluation/pipeline.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3134      +/-   ##
============================================
+ Coverage     82.99%   92.22%   +9.22%     
============================================
  Files           575      139     -436     
  Lines         32293    16268   -16025     
  Branches       1895        0    -1895     
============================================
- Hits          26803    15003   -11800     
+ Misses         4656     1265    -3391     
+ Partials        834        0     -834     

Flag	Coverage Δ
console	?
controller	?
standalone	92.22% <80.00%> (-0.03%)	⬇️
unittests	92.22% <80.00%> (+0.23%)	⬆️

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[goldenxinxing]

LGTM