requirements: Upgrade ipython to 5.4.1.
requirements: Upgrade ipython to 5.4.1.

kou/zulip,verma-varsha/zulip,shubhamdhama/zulip,eeshangarg/zulip,amanharitsh123/zulip,dhcrzf/zulip,jrowan/zulip,brainwane/zulip,brainwane/zulip,brockwhittaker/zulip,vaidap/zulip,eeshangarg/zulip,shubhamdhama/zulip,amanharitsh123/zulip,rishig/zulip,Galexrt/zulip,zulip/zulip,tommyip/zulip,mahim97/zulip,punchagan/zulip,jrowan/zulip,showell/zulip,andersk/zulip,brainwane/zulip,amanharitsh123/zulip,eeshangarg/zulip,timabbott/zulip,synicalsyntax/zulip,punchagan/zulip,hackerkid/zulip,shubhamdhama/zulip,vabs22/zulip,jrowan/zulip,timabbott/zulip,synicalsyntax/zulip,vaidap/zulip,andersk/zulip,zulip/zulip,eeshangarg/zulip,verma-varsha/zulip,dhcrzf/zulip,zulip/zulip,dhcrzf/zulip,jackrzhang/zulip,rht/zulip,jackrzhang/zulip,rht/zulip,amanharitsh123/zulip,andersk/zulip,zulip/zulip,mahim97/zulip,punchagan/zulip,rht/zulip,verma-varsha/zulip,jrowan/zulip,tommyip/zulip,punchagan/zulip,zulip/zulip,showell/zulip,timabbott/zulip,tommyip/zulip,eeshangarg/zulip,tommyip/zulip,rishig/zulip,rishig/zulip,vabs22/zulip,andersk/zulip,dhcrzf/zulip,jackrzhang/zulip,kou/zulip,vaidap/zulip,brainwane/zulip,shubhamdhama/zulip,vaidap/zulip,shubhamdhama/zulip,showell/zulip,synicalsyntax/zulip,kou/zulip,brockwhittaker/zulip,synicalsyntax/zulip,hackerkid/zulip,Galexrt/zulip,brainwane/zulip,synicalsyntax/zulip,timabbott/zulip,zulip/zulip,brockwhittaker/zulip,showell/zulip,tommyip/zulip,vabs22/zulip,punchagan/zulip,Galexrt/zulip,jrowan/zulip,rishig/zulip,mahim97/zulip,kou/zulip,timabbott/zulip,rht/zulip,punchagan/zulip,punchagan/zulip,hackerkid/zulip,andersk/zulip,kou/zulip,vabs22/zulip,jackrzhang/zulip,rishig/zulip,hackerkid/zulip,mahim97/zulip,jackrzhang/zulip,tommyip/zulip,Galexrt/zulip,vabs22/zulip,mahim97/zulip,synicalsyntax/zulip,shubhamdhama/zulip,andersk/zulip,jackrzhang/zulip,verma-varsha/zulip,showell/zulip,jackrzhang/zulip,Galexrt/zulip,zulip/zulip,verma-varsha/zulip,rht/zulip,hackerkid/zulip,tommyip/zulip,hackerkid/zulip,hackerkid/zulip,amanharitsh123/zulip,dhcrzf/zulip,brainwane/zulip,andersk/zulip,shubhamdhama/zulip,mahim97/zulip,verma-varsha/zulip,timabbott/zulip,vabs22/zulip,jrowan/zulip,eeshangarg/zulip,showell/zulip,Galexrt/zulip,brockwhittaker/zulip,rishig/zulip,showell/zulip,rishig/zulip,brockwhittaker/zulip,brainwane/zulip,kou/zulip,timabbott/zulip,kou/zulip,brockwhittaker/zulip,rht/zulip,amanharitsh123/zulip,synicalsyntax/zulip,rht/zulip,dhcrzf/zulip,eeshangarg/zulip,vaidap/zulip,dhcrzf/zulip,Galexrt/zulip,vaidap/zulip