Updated 404 link for Cityscape setup

[digantamisra98]

No description provided.

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[codecov]

Codecov Report

Merging #4510 (ce6ccd3) into master (3a9f5ef) will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4510      +/-   ##
==========================================
- Coverage   62.09%   62.04%   -0.05%     
==========================================
  Files         241      241              
  Lines       18400    18400              
  Branches     3085     3085              
==========================================
- Hits        11426    11417       -9     
- Misses       6416     6426      +10     
+ Partials      558      557       -1     

Flag	Coverage Δ
unittests	62.01% <ø> (-0.05%)	⬇️

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Impacted Files	Coverage Δ
mmdet/models/detectors/cornernet.py	94.87% <0.00%> (-5.13%)	⬇️
mmdet/models/dense_heads/corner_head.py	74.45% <0.00%> (-1.91%)	⬇️

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[OpenMMLab-Assistant-007]

Hi!
@digantamisra98
First of all, we want to express our gratitude for your significant PR in the OpenMMLab project. Your contribution is highly appreciated, and we are grateful for your efforts in helping improve this open-source project during your personal time. We believe that many developers will benefit from your PR.

We would also like to invite you to join our Special Interest Group (SIG) private channel on Discord, where you can share your experiences, ideas, and build connections with like-minded peers. To join the SIG channel, simply message moderator— OpenMMLab on Discord or briefly share your open-source contributions in the #introductions channel and we will assist you. Look forward to seeing you there! Join us ：https://discord.gg/UjgXkPWNqA

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Thank you again for your contribution❤