tests: Reorder python version logic to be more clear.
tests: Reorder python version logic to be more clear.

brainwane/zulip,showell/zulip,rht/zulip,shubhamdhama/zulip,andersk/zulip,timabbott/zulip,showell/zulip,kou/zulip,synicalsyntax/zulip,hackerkid/zulip,zulip/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,hackerkid/zulip,rht/zulip,showell/zulip,eeshangarg/zulip,showell/zulip,timabbott/zulip,kou/zulip,synicalsyntax/zulip,eeshangarg/zulip,shubhamdhama/zulip,punchagan/zulip,rht/zulip,brainwane/zulip,rht/zulip,hackerkid/zulip,zulip/zulip,punchagan/zulip,hackerkid/zulip,eeshangarg/zulip,shubhamdhama/zulip,rht/zulip,timabbott/zulip,zulip/zulip,andersk/zulip,synicalsyntax/zulip,synicalsyntax/zulip,punchagan/zulip,punchagan/zulip,rht/zulip,hackerkid/zulip,showell/zulip,brainwane/zulip,timabbott/zulip,eeshangarg/zulip,hackerkid/zulip,eeshangarg/zulip,kou/zulip,hackerkid/zulip,brainwane/zulip,timabbott/zulip,shubhamdhama/zulip,showell/zulip,zulip/zulip,brainwane/zulip,kou/zulip,kou/zulip,showell/zulip,shubhamdhama/zulip,synicalsyntax/zulip,punchagan/zulip,synicalsyntax/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,brainwane/zulip,synicalsyntax/zulip,punchagan/zulip,rht/zulip,eeshangarg/zulip,andersk/zulip,shubhamdhama/zulip,andersk/zulip,andersk/zulip,andersk/zulip,kou/zulip,timabbott/zulip,punchagan/zulip,brainwane/zulip,andersk/zulip,kou/zulip