fix: fix select.join #265

Job	Run time
3.7 CH=23.8.4.69	58s
3.7 CH=22.5.1.2079	52s
3.7 CH=19.3.5	57s
3.7 CH=18.14.9	47s
3.8 CH=23.8.4.69	40s
3.8 CH=22.5.1.2079	35s
3.8 CH=19.3.5	30s
3.8 CH=18.14.9	26s
3.9 CH=23.8.4.69	33s
3.9 CH=22.5.1.2079	36s
3.9 CH=19.3.5	32s
3.9 CH=18.14.9	32s
3.10 CH=23.8.4.69	34s
3.10 CH=22.5.1.2079	36s
3.10 CH=19.3.5	30s
3.10 CH=18.14.9	26s
3.11 CH=23.8.4.69	36s
3.11 CH=22.5.1.2079	35s
3.11 CH=19.3.5	34s
3.11 CH=18.14.9	24s
3.12 CH=23.8.4.69	56s
3.12 CH=22.5.1.2079	54s
3.12 CH=19.3.5	56s
3.12 CH=18.14.9	56s
Indicate completion to coveralls.io	12s
	16m 7s

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