[Enhance] Refactor inverted residual

[xvjiarui]

No description provided.

[codecov]

Codecov Report

Merging #164 into master will decrease coverage by 0.06%.
The diff coverage is 89.47%.

@@            Coverage Diff             @@
##           master     #164      +/-   ##
==========================================
- Coverage   83.38%   83.32%   -0.07%     
==========================================
  Files          83       83              
  Lines        3937     3921      -16     
  Branches      619      617       -2     
==========================================
- Hits         3283     3267      -16     
  Misses        520      520              
  Partials      134      134              

Flag	Coverage Δ
#unittests	83.32% <89.47%> (-0.07%)	⬇️

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Impacted Files	Coverage Δ
mmseg/models/utils/inverted_residual.py	92.00% <85.71%> (ø)
mmseg/models/backbones/fast_scnn.py	98.09% <100.00%> (ø)
mmseg/models/backbones/mobilenet_v2.py	72.94% <100.00%> (-3.92%)	⬇️
mmseg/models/utils/__init__.py	100.00% <100.00%> (ø)
mmseg/utils/__init__.py	100.00% <100.00%> (ø)

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[hellock]

Task linked: CU-4fp4kk Fast SCNN/MobileNet 重构