address @slivingston review comments #1022

Job	Run time
Py3.10; no Slycot; no Pandas; no CVXOPT	5m 53s
Py3.10; no Slycot; no Pandas; conda CVXOPT	6m 0s
Py3.10; conda Slycot; no Pandas; no CVXOPT	6m 0s
Py3.10; conda Slycot; no Pandas; conda CVXOPT	6m 4s
Py3.12; no Slycot; no Pandas; no CVXOPT	6m 6s
Py3.12; no Slycot; no Pandas; conda CVXOPT	6m 37s
Py3.12; conda Slycot; no Pandas; no CVXOPT	6m 45s
Py3.12; conda Slycot; no Pandas; conda CVXOPT	6m 35s
Py3.12; conda Slycot; conda Pandas; conda CVXOPT ; QtAgg	7m 14s
Finalize parallel coveralls	2s
	57m 16s

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