[bug 1130009] Add pyflakes and mccabe to requirements/dev.txt with hashes
[bug 1130009] Add pyflakes and mccabe to requirements/dev.txt with hashes

hoosteeno/fjord,mozilla/fjord,Ritsyy/fjord,Ritsyy/fjord,mozilla/fjord,rlr/fjord,lgp171188/fjord,rlr/fjord,hoosteeno/fjord,mozilla/fjord,rlr/fjord,hoosteeno/fjord,staranjeet/fjord,lgp171188/fjord,staranjeet/fjord,DESHRAJ/fjord,Ritsyy/fjord,DESHRAJ/fjord,mozilla/fjord,staranjeet/fjord,rlr/fjord,lgp171188/fjord,Ritsyy/fjord,staranjeet/fjord,DESHRAJ/fjord,lgp171188/fjord,hoosteeno/fjord