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https://issues.apache.org/jira/browse/BEAM-4006?focusedWorklogId=128254&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-128254
 ]

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

                Author: ASF GitHub Bot
            Created on: 27/Jul/18 18:46
            Start Date: 27/Jul/18 18:46
    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_r205866972
 
 

 ##########
 File path: sdks/python/apache_beam/transforms/window.py
 ##########
 @@ -191,15 +192,31 @@ def __init__(self, end):
   def max_timestamp(self):
     return self.end.predecessor()
 
-  def __cmp__(self, other):
-    # Order first by endpoint, then arbitrarily.
-    return cmp(self.end, other.end) or cmp(hash(self), hash(other))
-
   def __eq__(self, other):
     raise NotImplementedError
 
+  def __ne__(self, other):
+    return (cmp(self.end, other.end)
+            or cmp(hash(self), hash(other))) != 0
+
+  def __lt__(self, other):
+    return (cmp(self.end, other.end)
+            or cmp(hash(self), hash(other))) < 0
+
+  def __le__(self, other):
+    return (cmp(self.end, other.end)
+            or cmp(hash(self), hash(other))) <= 0
+
+  def __gt__(self, other):
+    return (cmp(self.end, other.end)
+            or cmp(hash(self), hash(other))) > 0
+
+  def __ge__(self, other):
+    return (cmp(self.end, other.end)
+            or cmp(hash(self), hash(other))) >= 0
+
   def __hash__(self):
-    return hash(self.end)
+    raise NotImplementedError
 
 Review comment:
   OK thanks, and interesting! So the `NotImplementedError` is only relevant 
for the consistency of the `__eq__` but doesn't have an impact for child 
classes. Good to know :-)!

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

    Worklog Id:     (was: 128254)
    Time Spent: 12h 20m  (was: 12h 10m)

> 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: 12h 20m
>  Remaining Estimate: 0h
>




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