[Improve] FLAVR demo

[Yshuo-Li]

No description provided.

[codecov]

Codecov Report

Merging #954 (17f64fe) into master (f17c9a3) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #954      +/-   ##
==========================================
+ Coverage   83.50%   83.56%   +0.05%     
==========================================
  Files         222      223       +1     
  Lines       12813    12829      +16     
  Branches     2094     2096       +2     
==========================================
+ Hits        10699    10720      +21     
+ Misses       1784     1782       -2     
+ Partials      330      327       -3     

Flag	Coverage Δ
unittests	83.52% <100.00%> (+0.05%)	⬆️

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Impacted Files	Coverage Δ
...t/models/video_interpolators/basic_interpolator.py	97.34% <100.00%> (-0.03%)	⬇️
mmedit/models/video_interpolators/flavr.py	100.00% <100.00%> (ø)
...ls/components/stylegan2/generator_discriminator.py	86.14% <0.00%> (+1.20%)	⬆️
mmedit/models/backbones/vfi_backbones/flavr_net.py	92.50% <0.00%> (+1.87%)	⬆️

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