Fix lookup of InfrastructureSystems path

[daniel-thom]

Fixes #232

[codecov[bot]]

Codecov Report

Merging #233 (e2726ad) into master (d503647) will decrease coverage by 0.04%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #233      +/-   ##
==========================================
- Coverage   75.28%   75.24%   -0.05%     
==========================================
  Files          43       43              
  Lines        3115     3114       -1     
==========================================
- Hits         2345     2343       -2     
- Misses        770      771       +1     

Flag	Coverage Δ
unittests	75.24% <ø> (-0.05%)	:arrow_down:

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Impacted Files	Coverage Δ
src/utils/logging.jl	89.78% <ø> (ø)
src/utils/utils.jl	61.18% <0.00%> (-0.43%)	:arrow_down:
src/utils/lazy_dict_from_iterator.jl	96.15% <0.00%> (-0.15%)	:arrow_down:

[nickrobinson251]

thanks

I checked and this fixes the issue for me locally (when using a package that depends directly on PSY and only indirectly on InfraSys)