Error

[yossefibrahimmohamed]

File "/home/yossef/PacketWhisper/packetWhisper.py", line 141
print "Select time delay between DNS queries:"
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print(...)?

[Murzoned]

You probably tried to run the utility with python3. Using python2 instead does the trick. Just do it like this: python2 packetWhisper.py.