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https://issues.apache.org/jira/browse/BEAM-4006?focusedWorklogId=120213&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-120213
 ]

ASF GitHub Bot logged work on BEAM-4006:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Jul/18 10:35
            Start Date: 07/Jul/18 10:35
    Worklog Time Spent: 10m 
      Work Description: Fematich commented on a change in pull request #5729: 
[BEAM-4006] Futurize transforms subpackage
URL: https://github.com/apache/beam/pull/5729#discussion_r200808916
 
 

 ##########
 File path: sdks/python/apache_beam/transforms/window.py
 ##########
 @@ -245,10 +274,17 @@ def __init__(self, value, timestamp):
     self.value = value
     self.timestamp = Timestamp.of(timestamp)
 
-  def __cmp__(self, other):
+  def __eq__(self, other):
+    return (type(self) == type(other)) and (self.value == other.value) and \
+           (self.timestamp == other.timestamp)
+
+  def __hash__(self):
+    return hash((type(self), self.value, self.timestamp))
+
+  def __lt__(self, other):
     if type(self) is not type(other):
-      return cmp(type(self), type(other))
-    return cmp((self.value, self.timestamp), (other.value, other.timestamp))
+      return type(self) < type(other)
 
 Review comment:
   Indeed! Using the hash of type should resolve this issue. 
   

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

    Worklog Id:     (was: 120213)
    Time Spent: 1h 50m  (was: 1h 40m)

> Futurize and fix python 2 compatibility for transforms subpackage
> -----------------------------------------------------------------
>
>                 Key: BEAM-4006
>                 URL: https://issues.apache.org/jira/browse/BEAM-4006
>             Project: Beam
>          Issue Type: Sub-task
>          Components: sdk-py-core
>            Reporter: Robbe
>            Assignee: Matthias Feys
>            Priority: Major
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>




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