Adjust case for span prediction

[zphang]

#1200

[codecov]

Codecov Report

Merging #1201 into master will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1201      +/-   ##
==========================================
- Coverage   56.92%   56.91%   -0.01%     
==========================================
  Files         133      133              
  Lines        9692     9693       +1     
==========================================
  Hits         5517     5517              
- Misses       4175     4176       +1     

Impacted Files	Coverage Δ
jiant/tasks/lib/templates/span_prediction.py	73.07% <0.00%> (-0.95%)	⬇️

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[pep8speaks]

Hello @zphang! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻 You can repair most issues by installing black and running: black -l 100 ./*. If you contribute often, have a look at the 'Contributing' section of the README for instructions on doing this automatically.

Comment last updated at 2020-10-17 00:31:44 UTC