W:  6: Operator not preceded by a space
notpreceded= 1
           ^
W:  7: Operator not followed by a space
notfollowed =1
            ^
W:  8: Operator not followed by a space
notfollowed <=1
            ^^
W: 18: Comma not followed by a space
aaaa,bbbb = 1,2
    ^^
W: 23: Colon not followed by a new line
if aaaa: pass
       ^^^^^^
W: 27: Comma not followed by a space
bbbb = (1,2,3)
         ^^
