Fixes #1950 TypeError temperature to base units #1176

Job	Run time
test-linux (3.10)	1m 33s
test-linux (3.10, uncertainties==3.1.6)	1m 58s
test-linux (3.10, uncertainties>=3.1.6,<4.0.0)	2m 0s
test-macos (3.10)	1m 53s
test-linux (3.10, numpy>=1.23,<2.0.0)	1m 41s
test-macos (3.10, numpy>=1.23,<2.0.0)	3m 21s
test-windows (3.10, numpy>=1.23,<2.0.0)	1m 6s
test-linux (3.10, numpy>=1.23,<2.0.0, uncertainties==3.1.6)	2m 21s
test-macos (3.11)	2m 21s
test-linux (3.10, numpy>=1.23,<2.0.0, uncertainties>=3.1.6,<4.0.0)	2m 28s
test-windows (3.11, numpy>=1.23,<2.0.0)	1m 1s
test-macos (3.11, numpy>=1.23,<2.0.0)	2m 52s
test-linux (3.11)	1m 45s
test-windows (3.12, numpy>=1.23,<2.0.0)	46s
test-macos (3.12)	2m 15s
test-linux (3.11, uncertainties==3.1.6)	1m 51s
test-macos (3.12, numpy>=1.23,<2.0.0)	2m 35s
test-linux (3.11, uncertainties>=3.1.6,<4.0.0)	2m 4s
test-linux (3.11, numpy>=1.23,<2.0.0)	1m 42s
test-linux (3.11, numpy>=1.23,<2.0.0, uncertainties==3.1.6)	2m 34s
test-linux (3.11, numpy>=1.23,<2.0.0, uncertainties>=3.1.6,<4.0.0)	2m 11s
test-linux (3.12)	2m 6s
test-linux (3.12, uncertainties==3.1.6)	2m 20s
test-linux (3.12, uncertainties>=3.1.6,<4.0.0)	2m 7s
test-linux (3.12, numpy>=1.23,<2.0.0)	2m 12s
test-linux (3.12, numpy>=1.23,<2.0.0, uncertainties==3.1.6)	3m 3s
test-linux (3.12, numpy>=1.23,<2.0.0, uncertainties>=3.1.6,<4.0.0)	3m 16s
test-linux (3.10, numpy, matplotlib==2.2.5)	3m 36s
test-linux (3.10, numpy, uncertainties, sparse xarray netCDF4 dask[complete]==2023.4.0 graphviz b...	3m 54s
	1h 4m 52s

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