[CodeCamp #99] type hints Part C

[liangzelong]

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Motivation

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Modification

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BC-breaking (Optional)

Does the modification introduce changes that break the backward-compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

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Checklist

Before PR:

• I have read and followed the workflow indicated in the CONTRIBUTING.md to create this PR.
• Pre-commit or linting tools indicated in CONTRIBUTING.md are used to fix the potential lint issues.
• Bug fixes are covered by unit tests, the case that causes the bug should be added in the unit tests.
• New functionalities are covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, including docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with some of those projects.
• CLA has been signed and all committers have signed the CLA in this PR.

[CLAassistant]

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[codecov]

Codecov Report

Base: 87.91% // Head: 87.92% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (598b7d8) compared to base (ad24a5a).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 598b7d8 differs from pull request most recent head 0f75d94. Consider uploading reports for the commit 0f75d94 to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           dev-1.x    #1604      +/-   ##
===========================================
+ Coverage    87.91%   87.92%   +0.01%     
===========================================
  Files          399      399              
  Lines        26024    26050      +26     
  Branches      4048     4048              
===========================================
+ Hits         22879    22905      +26     
  Misses        2240     2240              
  Partials       905      905              

Flag	Coverage Δ
unittests	87.92% <100.00%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
mmedit/models/losses/clip_loss.py	93.93% <100.00%> (+0.18%)	⬆️
mmedit/models/losses/composition_loss.py	100.00% <100.00%> (ø)
mmedit/models/losses/face_id_loss.py	100.00% <100.00%> (ø)
mmedit/models/losses/feature_loss.py	95.34% <100.00%> (+0.11%)	⬆️
mmedit/models/losses/gan_loss.py	82.72% <100.00%> (+0.27%)	⬆️
mmedit/models/losses/gradient_loss.py	100.00% <100.00%> (ø)
mmedit/models/losses/loss_comps/clip_loss_comps.py	75.00% <100.00%> (+3.00%)	⬆️
...els/losses/loss_comps/disc_auxiliary_loss_comps.py	87.65% <100.00%> (+0.31%)	⬆️
...dit/models/losses/loss_comps/face_id_loss_comps.py	73.07% <100.00%> (+2.24%)	⬆️
mmedit/models/losses/loss_comps/gan_loss_comps.py	100.00% <100.00%> (ø)
... and 4 more

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