DataLoaderIterator doc-string

[rusty1s]

No description provided.

[rusty1s]

FYI @mananshah99 @ZenoTan

[codecov]

Codecov Report

Merging #4838 (e59aab7) into master (b274fbd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4838   +/-   ##
=======================================
  Coverage   82.70%   82.70%           
=======================================
  Files         326      326           
  Lines       17518    17518           
=======================================
  Hits        14489    14489           
  Misses       3029     3029           

Impacted Files	Coverage Δ
torch_geometric/loader/base.py	78.57% <ø> (ø)
torch_geometric/loader/hgt_loader.py	93.33% <ø> (ø)
torch_geometric/loader/link_neighbor_loader.py	93.12% <ø> (ø)
torch_geometric/loader/neighbor_loader.py	91.83% <ø> (ø)

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[ZenoTan]

Late LGTM :)