Minor fixes for ML-SUPERB

[ftshijt]

No description provided.

[codecov]

Codecov Report

Merging #5202 (d34b3b2) into master (e6a628e) will increase coverage by 10.17%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #5202       +/-   ##
===========================================
+ Coverage   64.35%   74.53%   +10.17%     
===========================================
  Files         640      640               
  Lines       57057    57254      +197     
===========================================
+ Hits        36719    42673     +5954     
+ Misses      20338    14581     -5757     

Flag	Coverage Δ
test_integration_espnet1	66.28% <ø> (?)
test_integration_espnet2	47.56% <ø> (?)
test_python	65.27% <ø> (+0.92%)	⬆️
test_utils	23.28% <ø> (?)

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see 193 files with indirect coverage changes

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