tests

Fix `pandas` `FutureWarning` #357

Job	Run time
linting	1m 33s
Check manifest	57s
Test conda-install, on ubuntu-latest	1m 39s
Test conda-install, on macos-latest	2m 0s
ubuntu-latest py3.11	4m 47s
Test conda-install, on windows-latest	4m 7s
macos-latest py3.10	5m 32s
windows-latest py3.9	7m 4s
ubuntu-latest py3.8	6m 34s
Build source distribution and wheel	0s
Deploy to PyPI	0s
	34m 13s

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