Resolve doctest warning on uncertainty_sets #255

Job	Run time
lint/style-and-typos	50s
linux/3.9/bare-env	10s
linux/3.9	9m 45s
osx/3.11	15m 43s
linux/3.11	25m 16s
win/3.9	1s
win/3.11	24m 16s
win/3.12	2m 48s
osx/3.9	1s
linux/3.12	1m 3s
linux/3.11/conda	22m 8s
linux/3.13	2m 38s
linux/3.10/mpi	1s
osx/3.12	4m 6s
osx/3.13	16m 13s
win/3.13	9m 59s
linux/3.12/cython	24m 12s
osx/3.10	15m 12s
linux/3.9/slim	5m 19s
linux/3.11/singletest	15m 19s
linux/3.10	8m 5s
win/3.9/pip	1s
linux/3.11/rtd	7m 16s
linux/3.10/pyutilib	2m 0s
linux/3.12/numpy2	1m 59s
linux/pypy-3.10	4m 5s
win/3.10	3m 40s
format('process-coverage-{0}', matrix.TARGET)	0s
	3h 42m 6s

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