fix(p/demo/uassert): amend ineffective assignment

[MalekLahbib]

Contributors' checklist...

• Added new tests, or not needed, or not feasible
• Provided an example (e.g. screenshot) to aid review or the PR is self-explanatory
• Updated the official documentation or not needed
• No breaking changes were made, or a BREAKING CHANGE: xxx message was included in the description
• Added references to related issues and PRs
• Provided any useful hints for running manual tests
• Added new benchmarks to generated graphs, if any. More info here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.95%. Comparing base (8a62a28) to head (6ab4577).
Report is 8 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2936      +/-   ##
==========================================
- Coverage   60.95%   60.95%   -0.01%     
==========================================
  Files         564      564              
  Lines       75273    75273              
==========================================
- Hits        45884    45883       -1     
- Misses      26019    26021       +2     
+ Partials     3370     3369       -1     

Flag	Coverage Δ
contribs/gnodev	60.65% <ø> (-0.82%)	⬇️
contribs/gnofaucet	14.46% <ø> (ø)
gno.land	67.92% <ø> (ø)
gnovm	65.78% <ø> (+<0.01%)	⬆️
misc/genstd	80.54% <ø> (ø)
misc/logos	19.88% <ø> (ø)
tm2	62.08% <ø> (+0.01%)	⬆️

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[notJoon]

It looks fine. It seems you've made modifications because it was always outputting as an unsupported type message. Could you please change the title more clearly and add the descriptions what the problem was?

[MalekLahbib]

It looks fine. It seems you've made modifications because it was always outputting as an unsupported type message. Could you please change the title more clearly and add the descriptions what the problem was?

I was looking to understand uassert package and saw this warning from gnopls:

I think the function would work correctly but there's still an error on that line.

[mvertes]

Looks good to me