support list & callable transforms

[aniketmaurya]

What does this PR do?

Fixes #644

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[codecov]

Codecov Report

Merging #693 (d915bfb) into master (797ae9f) will increase coverage by 4.69%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #693      +/-   ##
==========================================
+ Coverage   84.69%   89.38%   +4.69%     
==========================================
  Files         197      197              
  Lines       10512    10517       +5     
==========================================
+ Hits         8903     9401     +498     
+ Misses       1609     1116     -493     

Flag	Coverage Δ
unittests	89.38% <100.00%> (+4.69%)	⬆️

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

Impacted Files	Coverage Δ
flash/core/data/data_module.py	94.57% <ø> (ø)
flash/image/classification/data.py	94.11% <ø> (ø)
flash/core/data/process.py	87.55% <100.00%> (+0.26%)	⬆️
flash/text/seq2seq/translation/model.py	76.19% <0.00%> (+4.76%)	⬆️
flash/text/seq2seq/summarization/model.py	80.00% <0.00%> (+5.00%)	⬆️
flash/text/seq2seq/core/model.py	75.32% <0.00%> (+10.38%)	⬆️
flash/text/question_answering/finetuning.py	19.78% <0.00%> (+14.28%)	⬆️
flash/text/seq2seq/core/data.py	89.87% <0.00%> (+21.51%)	⬆️
flash/text/classification/model.py	92.30% <0.00%> (+25.00%)	⬆️
flash/text/seq2seq/core/metrics.py	99.07% <0.00%> (+25.00%)	⬆️
... and 10 more

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[ethanwharris]

Awesome 😃 Can we get some tests?

[aniketmaurya]

Awesome 😃 Can we get some tests?

sure I will add 😄

[aniketmaurya]

@ethanwharris I have added a test for _check_transforms. Let me know if there is an issue.

[aniketmaurya]

deepsource check has been running for a day 🤔

[akihironitta]

deepsource check has been running for a day

It seems the check was done in a minute, but the status of the run hasn't been updated on GitHub somehow...

[aniketmaurya]

deepsource check has been running for a day

It seems the check was done in a minute, but the status of the run hasn't been updated on GitHub somehow...

@ethanwharris could you rerun that check?

[ethanwharris]

LGTM 😃