update checks for bias in initialization

[LiChenda]

This PR is for issue #4555 . Update the check for bias weights in the model initialization.

[sw005320]

Can you check the error message and fix it?
https://github.com/espnet/espnet/runs/7931639550?check_suite_focus=true#step:8:8138

[codecov]

Codecov Report

Merging #4574 (ed7db10) into master (f274ebe) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #4574   +/-   ##
=======================================
  Coverage   83.06%   83.06%           
=======================================
  Files         508      508           
  Lines       43654    43661    +7     
=======================================
+ Hits        36260    36267    +7     
  Misses       7394     7394           

Flag	Coverage Δ
test_integration_espnet1	66.36% <ø> (ø)
test_integration_espnet2	49.53% <36.36%> (-0.01%)	⬇️
test_python	70.61% <100.00%> (+<0.01%)	⬆️
test_utils	23.28% <ø> (ø)

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

Impacted Files	Coverage Δ
espnet2/torch_utils/initialize.py	93.93% <100.00%> (+0.71%)	⬆️

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[LiChenda]

Can you check the error message and fix it? https://github.com/espnet/espnet/runs/7931639550?check_suite_focus=true#step:8:8138

Sure, now, it has passed all the tests.

[sw005320]

Thanks, @LiChenda!