mypy: Mark get_session_user() as returning Optional[int].
mypy: Mark get_session_user() as returning Optional[int].

synicalsyntax/zulip,rishig/zulip,verma-varsha/zulip,amanharitsh123/zulip,dhcrzf/zulip,Galexrt/zulip,amanharitsh123/zulip,vaidap/zulip,andersk/zulip,zulip/zulip,punchagan/zulip,verma-varsha/zulip,vaidap/zulip,zulip/zulip,showell/zulip,tommyip/zulip,jackrzhang/zulip,rht/zulip,hackerkid/zulip,showell/zulip,shubhamdhama/zulip,jackrzhang/zulip,kou/zulip,kou/zulip,mahim97/zulip,dhcrzf/zulip,zulip/zulip,rishig/zulip,shubhamdhama/zulip,tommyip/zulip,dhcrzf/zulip,synicalsyntax/zulip,hackerkid/zulip,punchagan/zulip,amanharitsh123/zulip,dhcrzf/zulip,brainwane/zulip,zulip/zulip,showell/zulip,verma-varsha/zulip,punchagan/zulip,mahim97/zulip,mahim97/zulip,andersk/zulip,Galexrt/zulip,jackrzhang/zulip,brockwhittaker/zulip,brockwhittaker/zulip,kou/zulip,eeshangarg/zulip,synicalsyntax/zulip,kou/zulip,andersk/zulip,dhcrzf/zulip,andersk/zulip,eeshangarg/zulip,dhcrzf/zulip,rishig/zulip,rht/zulip,brainwane/zulip,kou/zulip,brockwhittaker/zulip,hackerkid/zulip,tommyip/zulip,vaidap/zulip,vaidap/zulip,brainwane/zulip,shubhamdhama/zulip,timabbott/zulip,rht/zulip,verma-varsha/zulip,synicalsyntax/zulip,andersk/zulip,tommyip/zulip,tommyip/zulip,timabbott/zulip,rishig/zulip,timabbott/zulip,jackrzhang/zulip,jackrzhang/zulip,mahim97/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,zulip/zulip,kou/zulip,zulip/zulip,timabbott/zulip,rht/zulip,verma-varsha/zulip,brockwhittaker/zulip,rishig/zulip,eeshangarg/zulip,showell/zulip,mahim97/zulip,brainwane/zulip,showell/zulip,hackerkid/zulip,brainwane/zulip,jackrzhang/zulip,showell/zulip,punchagan/zulip,hackerkid/zulip,rht/zulip,timabbott/zulip,hackerkid/zulip,synicalsyntax/zulip,synicalsyntax/zulip,timabbott/zulip,tommyip/zulip,andersk/zulip,Galexrt/zulip,shubhamdhama/zulip,verma-varsha/zulip,eeshangarg/zulip,mahim97/zulip,shubhamdhama/zulip,shubhamdhama/zulip,jackrzhang/zulip,punchagan/zulip,rht/zulip,vaidap/zulip,Galexrt/zulip,brockwhittaker/zulip,Galexrt/zulip,hackerkid/zulip,Galexrt/zulip,dhcrzf/zulip,punchagan/zulip,amanharitsh123/zulip,timabbott/zulip,synicalsyntax/zulip,shubhamdhama/zulip,eeshangarg/zulip,amanharitsh123/zulip,Galexrt/zulip,punchagan/zulip,andersk/zulip,rishig/zulip,brainwane/zulip,brockwhittaker/zulip,amanharitsh123/zulip,zulip/zulip,vaidap/zulip,tommyip/zulip,brainwane/zulip,showell/zulip,eeshangarg/zulip,rishig/zulip