Fix arguments in export_model.py

[liuzhuang1024]

No description provided.

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #269 (585d302) into main (c9b62db) will not change coverage.
The diff coverage is n/a.

❗ Current head 585d302 differs from pull request most recent head 64d5058. Consider uploading reports for the commit 64d5058 to get more accurate results

@@           Coverage Diff           @@
##             main     #269   +/-   ##
=======================================
  Coverage   93.82%   93.82%           
=======================================
  Files          11       11           
  Lines         696      696           
=======================================
  Hits          653      653           
  Misses         43       43           

Flag	Coverage Δ
unittests	93.82% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c9b62db...64d5058. Read the comment docs.

[zhiqwang]

Looks good to me , thanks @lzmisscc , and welcome to join yolort community!