Don't tokenize `--pre=all` #94

Job	Run time
1/4	13m 4s
2/4	11m 58s
3/4	11m 28s
4/4	14m 34s
py-3-latest	19m 10s
flaky	6m 16s
_remote_background_indep_poll	5m 4s
_remote_background_indep_tcp	7m 3s
macos 1/5	25m 48s
macos 2/5	23m 23s
codecov	10s
	2h 17m 58s

Provide feedback