Fix typo errors

[Yshuo-Li]

No description provided.

[codecov]

Codecov Report

Merging #371 (1d3c7c3) into master (e52dc1a) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #371      +/-   ##
==========================================
- Coverage   80.30%   80.26%   -0.05%     
==========================================
  Files         184      184              
  Lines        9831     9831              
  Branches     1427     1427              
==========================================
- Hits         7895     7891       -4     
- Misses       1743     1745       +2     
- Partials      193      195       +2     

Flag	Coverage Δ
unittests	80.26% <100.00%> (-0.04%)	⬇️

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Impacted Files	Coverage Δ
mmedit/models/common/img_normalize.py	100.00% <ø> (ø)
mmedit/datasets/__init__.py	100.00% <100.00%> (ø)
mmedit/datasets/sr_facial_landmark_dataset.py	100.00% <100.00%> (ø)
...ls/components/stylegan2/generator_discriminator.py	83.73% <0.00%> (-1.21%)	⬇️
mmedit/models/components/stylegan2/modules.py	63.92% <0.00%> (-0.49%)	⬇️

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