user_agent: Use re.X to make the regex a little more readable.
user_agent: Use re.X to make the regex a little more readable.

andersk/zulip,hackerkid/zulip,shubhamdhama/zulip,dhcrzf/zulip,brainwane/zulip,zulip/zulip,dhcrzf/zulip,hackerkid/zulip,showell/zulip,jackrzhang/zulip,jackrzhang/zulip,dhcrzf/zulip,rht/zulip,jackrzhang/zulip,punchagan/zulip,jackrzhang/zulip,showell/zulip,rht/zulip,timabbott/zulip,hackerkid/zulip,rht/zulip,kou/zulip,kou/zulip,tommyip/zulip,andersk/zulip,hackerkid/zulip,brainwane/zulip,synicalsyntax/zulip,rishig/zulip,eeshangarg/zulip,dhcrzf/zulip,brainwane/zulip,eeshangarg/zulip,tommyip/zulip,rishig/zulip,timabbott/zulip,showell/zulip,shubhamdhama/zulip,hackerkid/zulip,synicalsyntax/zulip,synicalsyntax/zulip,rishig/zulip,brainwane/zulip,brainwane/zulip,tommyip/zulip,eeshangarg/zulip,eeshangarg/zulip,punchagan/zulip,eeshangarg/zulip,jackrzhang/zulip,shubhamdhama/zulip,shubhamdhama/zulip,rht/zulip,hackerkid/zulip,eeshangarg/zulip,shubhamdhama/zulip,punchagan/zulip,rht/zulip,punchagan/zulip,eeshangarg/zulip,zulip/zulip,showell/zulip,kou/zulip,kou/zulip,zulip/zulip,showell/zulip,tommyip/zulip,punchagan/zulip,andersk/zulip,timabbott/zulip,zulip/zulip,synicalsyntax/zulip,andersk/zulip,rht/zulip,rht/zulip,showell/zulip,dhcrzf/zulip,kou/zulip,timabbott/zulip,jackrzhang/zulip,zulip/zulip,kou/zulip,synicalsyntax/zulip,timabbott/zulip,tommyip/zulip,zulip/zulip,jackrzhang/zulip,showell/zulip,rishig/zulip,punchagan/zulip,punchagan/zulip,synicalsyntax/zulip,shubhamdhama/zulip,shubhamdhama/zulip,andersk/zulip,dhcrzf/zulip,hackerkid/zulip,synicalsyntax/zulip,tommyip/zulip,andersk/zulip,zulip/zulip,tommyip/zulip,timabbott/zulip,kou/zulip,brainwane/zulip,dhcrzf/zulip,rishig/zulip,rishig/zulip,brainwane/zulip,timabbott/zulip,rishig/zulip,andersk/zulip