import pwd
import os
import io
-import re
-import difflib
import fcntl
import signal
import errno
from subprocess import Popen, PIPE, STDOUT, check_call, CalledProcessError
from getpass import getpass
from samba.auth import system_session
-from samba.samdb import SamDB, SamDBError, SamDBNotFoundError
+from samba.samdb import SamDB, SamDBError
from samba.dcerpc import misc
from samba.dcerpc import security
from samba.dcerpc import drsblobs
-from samba.ndr import ndr_unpack, ndr_pack, ndr_print
+from samba.ndr import ndr_unpack
from samba import (
credentials,
dsdb,