#
# SPDX-License-Identifier: Apache-2.0
-from builtins import next
import argparse
import collections
import datetime
import errno
+import fcntl
import json
+import logging
import os
import re
+import subprocess
import sys
import tarfile
import tempfile
-import shutil
-import _strptime
-import fcntl
+
+import ciso8601
from operator import itemgetter
from stat import *
-import subprocess
-
import arvados
+import arvados.config
import arvados.util
import arvados.commands._util as arv_cmd
import arvados.commands.put as arv_put
-from arvados.collection import CollectionReader
-import ciso8601
-import logging
-import arvados.config
-
from arvados._version import __version__
logger = logging.getLogger('arvados.keepdocker')