old_contents: from collections import defaultdict
  
  from dmoj.cptbox.sandbox import SecurePopen, PIPE
  from dmoj.cptbox.handlers import DISALLOW, ALLOW
  from dmoj.cptbox.chroot import CHROOTSecurity
  from dmoj.cptbox.syscalls import SYSCALL_COUNT
  
  if sys.version_info.major == 2:
      range = xrange
  
  class NullSecurity(defaultdict):
      def __init__(self):
          for i in range(SYSCALL_COUNT):
              self[i] = ALLOW
  
new_contents: from collections import defaultdict
  
  from dmoj.cptbox.sandbox import SecurePopen, PIPE
  from dmoj.cptbox.handlers import DISALLOW, ALLOW
  from dmoj.cptbox.chroot import CHROOTSecurity
  from dmoj.cptbox.syscalls import SYSCALL_COUNT
  
  if sys.version_info.major == 3:
      xrange = range
  
  class NullSecurity(defaultdict):
      def __init__(self):
          for i in xrange(SYSCALL_COUNT):
              self[i] = ALLOW
  
subject: Update __init__.py