Show offending bound value in error message

[pllim]

Description

I got to this exception earlier. Would have been nice to see what the bound actually was when it was triggered. Now I cannot reproduce that same error and I will lay awake at night thinking about it.

[codecov]

Codecov Report

Merging #2220 (47cdeba) into master (1660f74) will increase coverage by 0.06%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #2220      +/-   ##
==========================================
+ Coverage   88.00%   88.06%   +0.06%     
==========================================
  Files         247      247              
  Lines       22967    22967              
==========================================
+ Hits        20213    20227      +14     
+ Misses       2754     2740      -14     

Impacted Files	Coverage Δ
glue/core/fixed_resolution_buffer.py	88.52% <0.00%> (ø)
glue/core/layer_artist.py	80.57% <0.00%> (+0.57%)	⬆️
glue/app/qt/application.py	79.62% <0.00%> (+1.05%)	⬆️
glue/conftest.py	62.12% <0.00%> (+3.03%)	⬆️
glue/viewers/common/state.py	94.73% <0.00%> (+10.52%)	⬆️

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