X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/89e091b3ee1fe85a68b0a9a0a619ca7baf606d2d..0e0c1400b57d5de8aa8c18dd4897527f905a4b42:/sdk/python/arvados/retry.py

diff --git a/sdk/python/arvados/retry.py b/sdk/python/arvados/retry.py
index dccd9c875a..168bd3910f 100644
--- a/sdk/python/arvados/retry.py
+++ b/sdk/python/arvados/retry.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+from builtins import range
+from builtins import object
 import functools
 import inspect
 import pycurl
@@ -9,7 +11,7 @@ from collections import deque
 
 import arvados.errors
 
-_HTTP_SUCCESSES = set(xrange(200, 300))
+_HTTP_SUCCESSES = set(range(200, 300))
 _HTTP_CAN_RETRY = set([408, 409, 422, 423, 500, 502, 503, 504])
 
 class RetryLoop(object):
@@ -51,7 +53,7 @@ class RetryLoop(object):
         * save_results: Specify a number to save the last N results
           that the loop recorded.  These records are available through
           the results attribute, oldest first.  Default 1.
-        * max_wait: Maximum time to wait between retries.
+        * max_wait: Maximum number of seconds to wait between retries.
         """
         self.tries_left = num_retries + 1
         self.check_result = success_check
@@ -69,7 +71,7 @@ class RetryLoop(object):
     def running(self):
         return self._running and (self._success is None)
 
-    def next(self):
+    def __next__(self):
         if self._running is None:
             self._running = True
         if (self.tries_left < 1) or not self.running():