apply 2to3

Index: utilities/attack
--- utilities/attack.orig
+++ utilities/attack
@@ -33,7 +33,7 @@ from subprocess import *
 def runjob4(command_and_args, stdin_string=None):
 
     if debug:
-        print "Starting job:", command_and_args
+        print("Starting job:", command_and_args)
 
     # Must have stdin arg; otherwise, it uses this process's stdin.
     p1 = Popen(command_and_args, stdin=PIPE, stdout=PIPE, stderr=PIPE)
@@ -45,7 +45,7 @@ def runjob4(command_and_args, stdin_string=None):
     if debug:
         sys.stdout.writelines(out)
         sys.stdout.writelines(err)
-        print "pid=%d, exit_code=%d" % (pid,exit_code)
+        print("pid=%d, exit_code=%d" % (pid,exit_code))
 
     return (pid, exit_code, out, err)
 
