fix: error while loading

[stabbylambda]

I went to go add the component to my HA. It helps if you name the property the same in the config as you do in the library. 🤦‍♂️

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.69%. Comparing base (bd795e9) to head (df4d4d7).
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   94.96%   94.69%   -0.27%     
==========================================
  Files           5        5              
  Lines         397      396       -1     
==========================================
- Hits          377      375       -2     
- Misses         20       21       +1     

Files with missing lines	Coverage Δ
custom_components/openei/const.py	100.00% <ø> (ø)