diff --git a/s3tests/common/greenlets.py b/s3tests/common/greenlets.py
index 885ee3d..8ed90ac 100644
--- a/s3tests/common/greenlets.py
+++ b/s3tests/common/greenlets.py
@@ -9,6 +9,7 @@ from ..common import context, get_next_key
 from ..common.results import TransferGreenletResult
 from ..realistic import FileVerifier
 
+
 # Make sure context has somewhere to store what we need
 context.update(bunch.Bunch(
     neads_first_read = collections.deque(),
@@ -16,6 +17,7 @@ context.update(bunch.Bunch(
     files_iter = None,
 ))
 
+
 class SafeTransferGreenlet(gevent.Greenlet):
     def __init__(self, timeout=120):
         gevent.Greenlet.__init__(self)
diff --git a/s3tests/realistic.py b/s3tests/realistic.py
index 6a51a4c..f4a3ddf 100644
--- a/s3tests/realistic.py
+++ b/s3tests/realistic.py
@@ -25,8 +25,7 @@ class RandomContentFile(object):
             )
 
     def _mark_chunk(self):
-        ctime = time.time()
-        self.chunks.append([self.offset, (ctime - self.last_seek) * 1000000000, ctime])
+        self.chunks.append([self.offset, (time.time() - self.last_seek) * 1000000000])
 
     def seek(self, offset):
         assert offset == 0
@@ -37,8 +36,8 @@ class RandomContentFile(object):
         self.hash = hashlib.md5()
         self.digest_size = self.hash.digest_size
         self.digest = None
-		
-		# Save the last seek time as our start time, and the last chunks
+
+        # Save the last seek time as our start time, and the last chunks
         self.start_time = self.last_seek
         self.last_chunks = self.chunks
         # Before emptying.
@@ -96,8 +95,7 @@ class FileVerifier(object):
         self.chunks = []
 
     def _mark_chunk(self):
-        ctime = time.time()
-        self.chunks.append([self.size, (ctime - self.created_at) * 1000000000, ctime])
+        self.chunks.append([self.size, (time.time() - self.created_at) * 1000000000])
 
     def write(self, data):
         self.size += len(data)