Merge pull request #1025 from NREL-Sienna/jd/fix_interface_mistaken_code #59

Job	Run time
Julia 1 - ubuntu-latest	21m 8s
Julia 1 - windows-latest	27m 35s
Julia 1 - macOS-latest	36m 57s
Julia nightly - ubuntu-latest	28m 47s
Julia nightly - windows-latest	37m 53s
Julia nightly - macOS-latest	34m 26s
	3h 6m 46s

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