Merge pull request #2336 from desihub/fix-gfa-nan #5440

Job	Run time
Doc test (ubuntu-latest, 3.9)	44s
Test minimal env (ubuntu-latest, 3.10)	53s
API doc completeness test (ubuntu-latest, 3.9)	20s
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 46s
Style check (ubuntu-latest, 3.9)	17s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	5m 55s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 39s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	5m 51s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 34s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	5m 47s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	5m 50s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 57s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 30s
	56m 3s

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