compatibility with 0.7

[piever]

No description provided.

[codecov-io]

Codecov Report

Merging #1 into master will increase coverage by 4.15%.
The diff coverage is 90.9%.

@@            Coverage Diff             @@
##           master       #1      +/-   ##
==========================================
+ Coverage   75.25%   79.41%   +4.15%     
==========================================
  Files           4        4              
  Lines          97      102       +5     
==========================================
+ Hits           73       81       +8     
+ Misses         24       21       -3

Impacted Files	Coverage Δ
src/widget.jl	76.19% <100%> (+2.38%)	⬆️
src/utils.jl	81.81% <88.88%> (+7.45%)	⬆️

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