change pt -> pd #111

Job	Run time
Test Python (1, 3.8)	1m 5s
Test Python (1, 3.12)	1m 7s
Test Python (2, 3.8)	1m 20s
Test Python (2, 3.12)	1m 3s
Test Python (3, 3.8)	1m 7s
Test Python (3, 3.12)	2m 18s
Test Python (4, 3.8)	1m 8s
Test Python (4, 3.12)	1m 25s
Test Python (5, 3.8)	57s
Test Python (5, 3.12)	1m 13s
Test Python (6, 3.8)	1m 9s
Test Python (6, 3.12)	1m 5s
Combine and update integration test durations	0s
Pass testing Python	2s
	14m 59s

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