[jira] [Work logged] (BEAM-8525) trivial_inference: slice of Const[List[T]] returns T instead of List[T]

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-8525?focusedWorklogId=372534&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-372534 ]

ASF GitHub Bot logged work on BEAM-8525:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Jan/20 19:55
            Start Date: 15/Jan/20 19:55
    Worklog Time Spent: 10m 
      Work Description: udim commented on pull request #9944: [BEAM-8525] Support Const base in binary_subscr
URL: https://github.com/apache/beam/pull/9944
 
 
   
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 372534)
    Time Spent: 40m  (was: 0.5h)

> trivial_inference: slice of Const[List[T]] returns T instead of List[T]
> -----------------------------------------------------------------------
>
>                 Key: BEAM-8525
>                 URL: https://issues.apache.org/jira/browse/BEAM-8525
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py-core
>            Reporter: Udi Meiri
>            Assignee: Udi Meiri
>            Priority: Major
>             Fix For: 2.19.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Bug is in binary_subscr.
> Example (in trivial_inference_test.py):
> {code}
>   def testGetItemSlice(self):
>     test_list = ['a', 'b']
>     self.assertReturnType(typehints.List[str], lambda: test_list[:], [])
> {code}



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