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https://issues.apache.org/jira/browse/BEAM-8335?focusedWorklogId=341531&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-341531
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ASF GitHub Bot logged work on BEAM-8335:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 11/Nov/19 23:16
            Start Date: 11/Nov/19 23:16
    Worklog Time Spent: 10m 
      Work Description: rohdesamuel commented on pull request #9953: 
[BEAM-8335] Adds support for multi-output TestStream
URL: https://github.com/apache/beam/pull/9953#discussion_r344952821
 
 

 ##########
 File path: sdks/python/apache_beam/pvalue.py
 ##########
 @@ -201,6 +201,43 @@ class PDone(PValue):
   pass
 
 
+class PTuple(object):
+  """An object grouping multiple PCollections.
+
+  This class is useful for returning a named tuple of PCollections from a
+  composite.
+  """
+
+  def __init__(self, pcoll_dict):
+    """Initializes this named tuple with a dictionary of tagged PCollections.
+    """
+    self._pcolls = pcoll_dict
+
+  def __str__(self):
+    return '<%s>' % self._str_internal()
 
 Review comment:
   Removed this file and changed output to dict.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 341531)
    Time Spent: 20h 10m  (was: 20h)

> Add streaming support to Interactive Beam
> -----------------------------------------
>
>                 Key: BEAM-8335
>                 URL: https://issues.apache.org/jira/browse/BEAM-8335
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-py-interactive
>            Reporter: Sam Rohde
>            Assignee: Sam Rohde
>            Priority: Major
>          Time Spent: 20h 10m
>  Remaining Estimate: 0h
>
> This issue tracks the work items to introduce streaming support to the 
> Interactive Beam experience. This will allow users to:
>  * Write and run a streaming job in IPython
>  * Automatically cache records from unbounded sources
>  * Add a replay experience that replays all cached records to simulate the 
> original pipeline execution
>  * Add controls to play/pause/stop/step individual elements from the cached 
> records
>  * Add ability to inspect/visualize unbounded PCollections



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