remove unused imports

attic/_version.py

@@ -15,7 +15,7 @@ git_full = "$Format:%H$"
 
 
 import subprocess
-import sys
+
 
 def run_command(args, cwd=None, verbose=False):
     try:

attic/helpers.py

@@ -5,7 +5,6 @@ import msgpack
 import os
 import pwd
 import re
-import stat
 import sys
 import time
 from datetime import datetime, timezone, timedelta

attic/repository.py

@@ -3,7 +3,6 @@ from binascii import hexlify
 from itertools import islice
 import errno
 import os
-import shutil
 import struct
 import sys
 from zlib import crc32

attic/testsuite/helpers.py

@@ -4,7 +4,7 @@ from datetime import datetime, timezone, timedelta
 import os
 import tempfile
 import unittest
-from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, IncludePattern, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, to_localtime, \
+from attic.helpers import adjust_patterns, exclude_path, Location, format_timedelta, ExcludePattern, make_path_safe, UpgradableLock, prune_within, prune_split, \
     StableDict, int_to_bigint, bigint_to_int
 from attic.testsuite import AtticTestCase
 import msgpack