21452: Clean imports in arvados.commands._util

Arvados-DCO-1.1-Signed-off-by: Brett Smith <brett.smith@curii.com>

diff --git a/sdk/python/arvados/commands/_util.py b/sdk/python/arvados/commands/_util.py
index 17454b7d17394dbdc5a7dce36ac82c585fee2d54..c267932e66176b332a6c6494736c6de966657e20 100644 (file)
--- a/sdk/python/arvados/commands/_util.py
+++ b/sdk/python/arvados/commands/_util.py
@@ -4,10 +4,9 @@
 
 import argparse
 import errno
-import os
 import logging
+import os
 import signal
-from future.utils import listitems, listvalues
 import sys
 
 def _pos_int(s):
@@ -61,5 +60,5 @@ def install_signal_handlers():
                             for sigcode in CAUGHT_SIGNALS}
 
 def restore_signal_handlers():
-    for sigcode, orig_handler in listitems(orig_signal_handlers):
+    for sigcode, orig_handler in orig_signal_handlers.items():
         signal.signal(sigcode, orig_handler)