Fix errors and warnings in templates

[vittorioromeo]

No description provided.

[ChrisThrasher]

LGTM

Was this just an issue of no one having tested these templates in a long time and some errors built up?

[vittorioromeo]

LGTM

Was this just an issue of no one having tested these templates in a long time and some errors built up?

I guess so, not even sure if these templates are used anymore, but worthwhile to fix any misleading/broken code anyway.

[codecov]

Codecov Report

Merging #2534 (22916ac) into master (5480bf8) will increase coverage by 0.02%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2534      +/-   ##
==========================================
+ Coverage   27.14%   27.16%   +0.02%     
==========================================
  Files         228      228              
  Lines       19642    19642              
  Branches     4715     4715              
==========================================
+ Hits         5332     5336       +4     
- Misses      13839    13846       +7     
+ Partials      471      460      -11     

see 5 files with indirect coverage changes

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