pep8: Add compliance with rule E261 to zerver/lib/db.py.
pep8: Add compliance with rule E261 to zerver/lib/db.py.

eeshangarg/zulip,andersk/zulip,Galexrt/zulip,showell/zulip,brockwhittaker/zulip,amanharitsh123/zulip,kou/zulip,jackrzhang/zulip,andersk/zulip,jackrzhang/zulip,showell/zulip,vabs22/zulip,brainwane/zulip,eeshangarg/zulip,timabbott/zulip,shubhamdhama/zulip,brockwhittaker/zulip,jphilipsen05/zulip,jackrzhang/zulip,synicalsyntax/zulip,ryanbackman/zulip,zulip/zulip,brockwhittaker/zulip,dhcrzf/zulip,vaidap/zulip,amanharitsh123/zulip,dhcrzf/zulip,christi3k/zulip,rishig/zulip,Galexrt/zulip,synicalsyntax/zulip,Galexrt/zulip,dhcrzf/zulip,vabs22/zulip,shubhamdhama/zulip,hackerkid/zulip,brainwane/zulip,amanharitsh123/zulip,brainwane/zulip,jrowan/zulip,timabbott/zulip,jphilipsen05/zulip,shubhamdhama/zulip,verma-varsha/zulip,christi3k/zulip,rishig/zulip,zulip/zulip,verma-varsha/zulip,rht/zulip,Galexrt/zulip,zulip/zulip,timabbott/zulip,vaidap/zulip,mahim97/zulip,eeshangarg/zulip,tommyip/zulip,hackerkid/zulip,brainwane/zulip,christi3k/zulip,rht/zulip,jrowan/zulip,hackerkid/zulip,punchagan/zulip,timabbott/zulip,rishig/zulip,punchagan/zulip,ryanbackman/zulip,brockwhittaker/zulip,jphilipsen05/zulip,vaidap/zulip,andersk/zulip,Galexrt/zulip,mahim97/zulip,andersk/zulip,j831/zulip,vabs22/zulip,jphilipsen05/zulip,brainwane/zulip,vabs22/zulip,vaidap/zulip,brainwane/zulip,ryanbackman/zulip,showell/zulip,jackrzhang/zulip,brainwane/zulip,shubhamdhama/zulip,brockwhittaker/zulip,rht/zulip,jrowan/zulip,kou/zulip,kou/zulip,tommyip/zulip,kou/zulip,eeshangarg/zulip,kou/zulip,vabs22/zulip,zulip/zulip,eeshangarg/zulip,punchagan/zulip,rht/zulip,tommyip/zulip,mahim97/zulip,Galexrt/zulip,timabbott/zulip,zulip/zulip,rht/zulip,brockwhittaker/zulip,j831/zulip,shubhamdhama/zulip,jackrzhang/zulip,jrowan/zulip,jackrzhang/zulip,jphilipsen05/zulip,synicalsyntax/zulip,jphilipsen05/zulip,jrowan/zulip,kou/zulip,tommyip/zulip,mahim97/zulip,vaidap/zulip,zulip/zulip,christi3k/zulip,showell/zulip,jackrzhang/zulip,shubhamdhama/zulip,kou/zulip,jrowan/zulip,amanharitsh123/zulip,rishig/zulip,vabs22/zulip,dhcrzf/zulip,j831/zulip,verma-varsha/zulip,christi3k/zulip,dhcrzf/zulip,rishig/zulip,ryanbackman/zulip,andersk/zulip,hackerkid/zulip,synicalsyntax/zulip,punchagan/zulip,andersk/zulip,rht/zulip,rishig/zulip,punchagan/zulip,amanharitsh123/zulip,j831/zulip,punchagan/zulip,synicalsyntax/zulip,eeshangarg/zulip,hackerkid/zulip,punchagan/zulip,eeshangarg/zulip,tommyip/zulip,verma-varsha/zulip,showell/zulip,andersk/zulip,ryanbackman/zulip,j831/zulip,zulip/zulip,dhcrzf/zulip,mahim97/zulip,rht/zulip,ryanbackman/zulip,amanharitsh123/zulip,dhcrzf/zulip,rishig/zulip,j831/zulip,timabbott/zulip,synicalsyntax/zulip,hackerkid/zulip,tommyip/zulip,verma-varsha/zulip,verma-varsha/zulip,mahim97/zulip,showell/zulip,synicalsyntax/zulip,vaidap/zulip,christi3k/zulip,hackerkid/zulip,Galexrt/zulip,tommyip/zulip,shubhamdhama/zulip,timabbott/zulip,showell/zulip