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https://issues.apache.org/jira/browse/ARROW-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16364416#comment-16364416
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ASF GitHub Bot commented on ARROW-2155:
---------------------------------------

pitrou opened a new pull request #1608: ARROW-2155: [Python] frombuffer() 
should respect mutability of argument (alternative solution)
URL: https://github.com/apache/arrow/pull/1608
 
 
   Also raise TypeError instead of ValueError for invalid arguments to 
frombuffer()

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> [Python] pa.frombuffer(bytearray) returns immutable Buffer
> ----------------------------------------------------------
>
>                 Key: ARROW-2155
>                 URL: https://issues.apache.org/jira/browse/ARROW-2155
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>    Affects Versions: 0.8.0
>            Reporter: Antoine Pitrou
>            Assignee: Antoine Pitrou
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> I'd expect it to return a mutable buffer:
> {code:python}
> >>> pa.frombuffer(bytearray(10)).is_mutable
> False
> {code}



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