Fix prior components

[vhaasteren]

This fixes #417

[codecov]

Codecov Report

❌ Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 71.58%. Comparing base (e04d9d4) to head (82c0959).
⚠️ Report is 27 commits behind head on dev.

Files with missing lines	Patch %	Lines
enterprise/signals/gp_priors.py	93.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #418      +/-   ##
==========================================
- Coverage   72.53%   71.58%   -0.96%     
==========================================
  Files          13       13              
  Lines        3401     3248     -153     
==========================================
- Hits         2467     2325     -142     
+ Misses        934      923      -11     

Files with missing lines	Coverage Δ
enterprise/signals/gp_priors.py	89.06% <93.33%> (+4.77%)	⬆️

... and 5 files with indirect coverage changes

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[AaronDJohnson]

Looks good to me.