Clean up warnings

[rusty1s]

No description provided.

[codecov]

Codecov Report

Merging #4429 (14c1e4c) into master (0630c36) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4429      +/-   ##
==========================================
- Coverage   82.57%   82.56%   -0.02%     
==========================================
  Files         312      312              
  Lines       16116    16116              
==========================================
- Hits        13308    13306       -2     
- Misses       2808     2810       +2     

Impacted Files	Coverage Δ
torch_geometric/utils/random.py	100.00% <ø> (ø)
torch_geometric/data/storage.py	80.06% <0.00%> (-0.64%)	⬇️

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