Fix summarization

[ethanwharris]

What does this PR do?

Fixes #310

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• Did you write any new necessary tests? [not needed for typos/docs]
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[pep8speaks]

Hello @ethanwharris! Thanks for updating this PR.

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2021-06-07 14:01:22 UTC

[codecov]

Codecov Report

Merging #372 (23adc4a) into master (7f8c3e8) will increase coverage by 0.01%.
The diff coverage is 71.42%.

❗ Current head 23adc4a differs from pull request most recent head 3f52680. Consider uploading reports for the commit 3f52680 to get more accurate results

@@            Coverage Diff             @@
##           master     #372      +/-   ##
==========================================
+ Coverage   88.79%   88.80%   +0.01%     
==========================================
  Files          80       80              
  Lines        4176     4180       +4     
==========================================
+ Hits         3708     3712       +4     
  Misses        468      468              

Flag	Coverage Δ
unittests	88.80% <71.42%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
flash/text/seq2seq/summarization/model.py	73.68% <0.00%> (ø)
flash/text/seq2seq/summarization/data.py	100.00% <100.00%> (ø)

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[tchaton]

LGTM ! nice work !