Prepare 1.7 #521

Job	Run time
Test with python 3.6 on windows-latest	2m 0s
Test with python 3.7 on windows-latest	1m 7s
Test with python 3.8 on windows-latest	5m 42s
Test with python 3.11 on windows-latest	7m 38s
Test with python 3.6 on macos-latest	1m 23s
Test with python 3.7 on macos-latest	1m 0s
Test with python 3.8 on macos-latest	5m 40s
Test with python 3.11 on macos-latest	3m 49s
Test with python 2.7 on ubuntu-20.04	32s
Test with python 3.6 on ubuntu-20.04	40s
Test with python 3.7 on ubuntu-latest	31s
Test with python 3.8 on ubuntu-latest	3m 9s
Test with python 3.9 on ubuntu-latest	3m 20s
Test with python 3.10 on ubuntu-latest	3m 13s
Test with python 3.11 on ubuntu-latest	3m 18s
	43m 2s

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