[CI] Small fix and test new CI on pull request

[barry-jin]

Description

As title

Checklist

Essentials

• [x] PR's title starts with a category (e.g. [BUGFIX], [MODEL], [TUTORIAL], [FEATURE], [DOC], etc)
• [x] Changes are complete (i.e. I finished coding on this PR)
• [ ] All changes have test coverage
• [ ] Code is well-documented

Changes

• [ ] Feature1, tests, (and when applicable, API doc)
• [ ] Feature2, tests, (and when applicable, API doc)

Comments

• If this change is a backward incompatible change, why must this change be made.
• Interesting edge cases to note here

cc @dmlc/gluon-nlp-team

[codecov[bot]]

Codecov Report

Merging #1496 (5b94171) into master (4b06130) will decrease coverage by 0.08%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1496      +/-   ##
==========================================
- Coverage   85.87%   85.78%   -0.09%     
==========================================
  Files          52       52              
  Lines        6909     6909              
==========================================
- Hits         5933     5927       -6     
- Misses        976      982       +6     

Impacted Files	Coverage Δ
src/gluonnlp/data/loading.py	81.13% <0.00%> (-2.27%)	:arrow_down:

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[github-actions[bot]]

The documentation website for preview: http://gluon-nlp-staging.s3-accelerate.dualstack.amazonaws.com/PR1496/test-new-ci/index.html

[github-actions[bot]]

The documentation website for preview: http://gluon-nlp-staging.s3-accelerate.dualstack.amazonaws.com/PR1496/test-new-ci/index.html