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https://issues.apache.org/jira/browse/BEAM-4003?focusedWorklogId=112154&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-112154
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ASF GitHub Bot logged work on BEAM-4003:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Jun/18 03:34
            Start Date: 15/Jun/18 03:34
    Worklog Time Spent: 10m 
      Work Description: tvalentyn commented on a change in pull request #5373: 
[BEAM-4003] Futurize runners subpackage
URL: https://github.com/apache/beam/pull/5373#discussion_r195550396
 
 

 ##########
 File path: sdks/python/apache_beam/runners/direct/transform_evaluator.py
 ##########
 @@ -716,7 +717,7 @@ def process_element(self, element):
   def finish_bundle(self):
     bundles = []
     bundle = None
-    for encoded_k, vs in self.gbk_items.iteritems():
+    for encoded_k, vs in self.gbk_items.items():
 
 Review comment:
   As we learned in https://github.com/apache/beam/pull/5053, Cython can 
translate iteration through `items()` without an intermediate object given a 
directive to interpret the code using Python3 semantics. However when the code 
is not cythonized, I would prefer to use `future.util.iteritems()` avoid impact 
on efficiency for Python 2. It's probably ok to use `items()` in tests, or when 
it's clear that the collection is small in size.

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 112154)
    Time Spent: 1h 10m  (was: 1h)

> Futurize and fix python 2 compatibility for runners subpackage
> --------------------------------------------------------------
>
>                 Key: BEAM-4003
>                 URL: https://issues.apache.org/jira/browse/BEAM-4003
>             Project: Beam
>          Issue Type: Sub-task
>          Components: sdk-py-core
>            Reporter: Robbe
>            Assignee: Matthias Feys
>            Priority: Major
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>




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