addressed @slivingston review comments #1030

Job	Run time
Py3.10; no Slycot; no Pandas; no CVXOPT	5m 59s
Py3.10; no Slycot; no Pandas; conda CVXOPT	1m 16s
Py3.10; conda Slycot; no Pandas; no CVXOPT	6m 16s
Py3.10; conda Slycot; no Pandas; conda CVXOPT	6m 15s
Py3.12; no Slycot; no Pandas; no CVXOPT	6m 9s
Py3.12; no Slycot; no Pandas; conda CVXOPT	1m 12s
Py3.12; conda Slycot; no Pandas; no CVXOPT	6m 36s
Py3.12; conda Slycot; no Pandas; conda CVXOPT	6m 52s
Py3.12; conda Slycot; conda Pandas; conda CVXOPT ; QtAgg	7m 0s
Finalize parallel coveralls	2s
	47m 37s

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