addressed @slivingston review comments #1031

Job	Run time
Py3.10; no Slycot; no Pandas; no CVXOPT	5m 56s
Py3.10; no Slycot; no Pandas; conda CVXOPT	6m 1s
Py3.10; conda Slycot; no Pandas; no CVXOPT	6m 25s
Py3.10; conda Slycot; no Pandas; conda CVXOPT	6m 13s
Py3.12; no Slycot; no Pandas; no CVXOPT	6m 19s
Py3.12; no Slycot; no Pandas; conda CVXOPT	6m 27s
Py3.12; conda Slycot; no Pandas; no CVXOPT	6m 37s
Py3.12; conda Slycot; no Pandas; conda CVXOPT	6m 59s
Py3.12; conda Slycot; conda Pandas; conda CVXOPT ; QtAgg	7m 15s
Finalize parallel coveralls	3s
	58m 15s

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