flake8 fix
flake8 fix

skeuomorf/cryptography,sholsapp/cryptography,kimvais/cryptography,Lukasa/cryptography,Ayrx/cryptography,Lukasa/cryptography,kimvais/cryptography,Ayrx/cryptography,dstufft/cryptography,dstufft/cryptography,skeuomorf/cryptography,dstufft/cryptography,Hasimir/cryptography,kimvais/cryptography,sholsapp/cryptography,glyph/cryptography,Hasimir/cryptography,Ayrx/cryptography,bwhmather/cryptography,glyph/cryptography,bwhmather/cryptography,Ayrx/cryptography,Hasimir/cryptography,skeuomorf/cryptography,bwhmather/cryptography,dstufft/cryptography,kimvais/cryptography,skeuomorf/cryptography,sholsapp/cryptography,Hasimir/cryptography,Lukasa/cryptography,bwhmather/cryptography,dstufft/cryptography,sholsapp/cryptography