mypy: Fix annotations for linter.
mypy: Fix annotations for linter.

timabbott/zulip,tommyip/zulip,mahim97/zulip,brainwane/zulip,timabbott/zulip,brockwhittaker/zulip,dhcrzf/zulip,dhcrzf/zulip,brockwhittaker/zulip,hackerkid/zulip,hackerkid/zulip,brainwane/zulip,showell/zulip,shubhamdhama/zulip,rishig/zulip,brainwane/zulip,brockwhittaker/zulip,Galexrt/zulip,Galexrt/zulip,eeshangarg/zulip,synicalsyntax/zulip,zulip/zulip,rht/zulip,jackrzhang/zulip,andersk/zulip,rishig/zulip,tommyip/zulip,rht/zulip,rht/zulip,punchagan/zulip,brainwane/zulip,synicalsyntax/zulip,dhcrzf/zulip,hackerkid/zulip,tommyip/zulip,zulip/zulip,eeshangarg/zulip,andersk/zulip,punchagan/zulip,timabbott/zulip,shubhamdhama/zulip,eeshangarg/zulip,showell/zulip,synicalsyntax/zulip,kou/zulip,tommyip/zulip,brainwane/zulip,zulip/zulip,rht/zulip,andersk/zulip,showell/zulip,eeshangarg/zulip,brockwhittaker/zulip,timabbott/zulip,shubhamdhama/zulip,synicalsyntax/zulip,punchagan/zulip,shubhamdhama/zulip,Galexrt/zulip,rishig/zulip,jackrzhang/zulip,timabbott/zulip,hackerkid/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip,mahim97/zulip,punchagan/zulip,shubhamdhama/zulip,showell/zulip,synicalsyntax/zulip,kou/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,mahim97/zulip,tommyip/zulip,eeshangarg/zulip,punchagan/zulip,showell/zulip,kou/zulip,jackrzhang/zulip,zulip/zulip,hackerkid/zulip,dhcrzf/zulip,timabbott/zulip,rht/zulip,rishig/zulip,mahim97/zulip,rishig/zulip,hackerkid/zulip,dhcrzf/zulip,kou/zulip,tommyip/zulip,dhcrzf/zulip,andersk/zulip,brainwane/zulip,jackrzhang/zulip,kou/zulip,Galexrt/zulip,mahim97/zulip,andersk/zulip,brockwhittaker/zulip,hackerkid/zulip,rishig/zulip,kou/zulip,rht/zulip,shubhamdhama/zulip,zulip/zulip,mahim97/zulip,brainwane/zulip,rishig/zulip,dhcrzf/zulip,jackrzhang/zulip,Galexrt/zulip,jackrzhang/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,brockwhittaker/zulip,timabbott/zulip,Galexrt/zulip,synicalsyntax/zulip,eeshangarg/zulip,kou/zulip,andersk/zulip,Galexrt/zulip,shubhamdhama/zulip,andersk/zulip,tommyip/zulip,jackrzhang/zulip