diff --git a/swift/common/ring/ring.py b/swift/common/ring/ring.py
index c2eccae3f8..9fdad3070a 100644
--- a/swift/common/ring/ring.py
+++ b/swift/common/ring/ring.py
@@ -17,7 +17,6 @@ import array
 import cPickle as pickle
 from collections import defaultdict
 from gzip import GzipFile
-import json
 from os.path import getmtime, join as pathjoin
 import struct
 from time import time
@@ -27,6 +26,11 @@ from io import BufferedReader
 from swift.common.utils import hash_path, validate_configuration
 from swift.common.ring.utils import tiers_for_dev
 
+try:
+ import simplejson as json
+except ImportError:
+ import json
+
 
 class RingData(object):
 """Partitioned consistent hashing ring data (used for serialization)."""
@@ -74,7 +78,7 @@ class RingData(object):
 ring_data = pickle.load(gz_file)
 if not hasattr(ring_data, 'devs'):
 ring_data = RingData(ring_data['replica2part2dev_id'],
- ring_data['devs'], ring_data['part_shift'])
+ ring_data['devs'], ring_data['part_shift'])
 return ring_data
 
 def serialize_v1(self, file_obj):
@@ -119,7 +123,7 @@ class Ring(object):
 validate_configuration()
 if ring_name:
 self.serialized_path = os.path.join(serialized_path,
- ring_name + '.ring.gz')
+ ring_name + '.ring.gz')
 else:
 self.serialized_path = os.path.join(serialized_path)
 self.reload_time = reload_time
@@ -230,7 +234,7 @@ class Ring(object):
 part = struct.unpack_from('>I', key)[0]>> self._part_shift
 seen_ids = set()
 return part, [self._devs[r[part]] for r in self._replica2part2dev_id
- if not (r[part] in seen_ids or seen_ids.add(r[part]))]
+ if not (r[part] in seen_ids or seen_ids.add(r[part]))]
 
 def get_more_nodes(self, part):
 """
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