upload: Separate writing avatars as local files into function.
upload: Separate writing avatars as local files into function.

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