mypy: Amend annotation of get_emoji.
mypy: Amend annotation of get_emoji.

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