Fixes iterable in Overlay

[hoxbro]

Fixes #5315

[codecov-commenter]

Codecov Report

Merging #5320 (d1a2a93) into master (c265cc1) will increase coverage by 1.33%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #5320      +/-   ##
==========================================
+ Coverage   86.74%   88.07%   +1.33%     
==========================================
  Files         299      301       +2     
  Lines       62218    61965     -253     
==========================================
+ Hits        53969    54575     +606     
+ Misses       8249     7390     -859     

Impacted Files	Coverage Δ
holoviews/core/dimension.py	86.42% <100.00%> (+0.08%)	⬆️
holoviews/tests/plotting/bokeh/test_overlayplot.py	100.00% <100.00%> (+0.70%)	⬆️
holoviews/plotting/mpl/raster.py	77.70% <0.00%> (-4.33%)	⬇️
holoviews/tests/element/test_comparisonsimple.py	90.78% <0.00%> (-3.74%)	⬇️
holoviews/plotting/util.py	69.49% <0.00%> (-2.06%)	⬇️
holoviews/plotting/mpl/util.py	75.43% <0.00%> (-2.04%)	⬇️
holoviews/tests/core/data/test_ibisinterface.py	80.48% <0.00%> (-1.22%)	⬇️
holoviews/plotting/bokeh/raster.py	71.30% <0.00%> (-0.95%)	⬇️
holoviews/element/sankey.py	95.04% <0.00%> (-0.93%)	⬇️
holoviews/core/layout.py	75.60% <0.00%> (-0.81%)	⬇️
... and 97 more

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[jlstevens]

Happy to merge once the tests pass.

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.