compat.py: Add pragma no covers
compat.py: Add pragma no covers

Cuz this is a lot of version-specific stuff and it can be confusing to have different coverage per version, especially with coveralls.

zerin108/httpie,sofianhw/httpie,jakubroztocil/httpie,GrimDerp/httpie,keita1314/httpie,PKRoma/httpie,zerin108/httpie,whitefoxx/httpie,insionng/httpie,gnagel/httpie,keita1314/httpie,avtoritet/httpie,rgordeev/httpie,jakubroztocil/httpie,alexeikabak/httpie,gnagel/httpie,lingtalfi/httpie,rschmidtz/httpie,kevinlondon/httpie,jkbrzt/httpie,danieldc/httpie,chaos33/httpie,zerodark/httpie,saisai/httpie,tylertebbs20/Practice-httpie,bitcoinfees/two1-httpie,JPWKU/httpie,bright-sparks/httpie,mblayman/httpie,mblayman/httpie,guiquanz/httpie,hoatle/httpie,aredo/httpie,tylertebbs20/Practice-httpie,paran0ids0ul/httpie,lk1ngaa7/httpie,Bogon/httpie,normabuttz/httpie,HackerTool/httpie,lingtalfi/httpie,bgarrels/httpie,Batterfii/httpie,meigrafd/httpie,alexeikabak/httpie,lk1ngaa7/httpie,vietlq/httpie,bgarrels/httpie,rusheel/httpie,saisai/httpie,aredo/httpie,MiteshShah/httpie,Bogon/httpie,konopski/httpie,alex-bretet/httpie,avtoritet/httpie,bitcoinfees/two1-httpie,alex-bretet/httpie,rusheel/httpie,fontenele/httpie,zerodark/httpie,danieldc/httpie,MiteshShah/httpie,codingjoe/httpie,Batterfii/httpie,ardydedase/httpie,vietlq/httpie,kevinlondon/httpie,marklap/httpie,meigrafd/httpie,bright-sparks/httpie,whitefoxx/httpie,konopski/httpie,normabuttz/httpie,fritaly/httpie,guiquanz/httpie,jkbrzt/httpie,jkbrzt/httpie,ardydedase/httpie,insionng/httpie,marklap/httpie,rschmidtz/httpie,rgordeev/httpie,GrimDerp/httpie,JPWKU/httpie,hoatle/httpie,a-x-/httpie,fontenele/httpie,alfcrisci/httpie,codingjoe/httpie,jakubroztocil/httpie,HackerTool/httpie,jcrumb/httpie,fritaly/httpie,PKRoma/httpie,jcrumb/httpie,alfcrisci/httpie,sofianhw/httpie,a-x-/httpie,paran0ids0ul/httpie