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Posted to issues@arrow.apache.org by "Liam Connell (Jira)" <ji...@apache.org> on 2020/04/01 15:42:00 UTC
[jira] [Closed] (ARROW-8306) [Python] Filesystem
_ensure_filesystem() incorrectly asserts the subclass relationship
[ https://issues.apache.org/jira/browse/ARROW-8306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Liam Connell closed ARROW-8306.
-------------------------------
Resolution: Invalid
My mistake. This is not a bug
> [Python] Filesystem _ensure_filesystem() incorrectly asserts the subclass relationship
> --------------------------------------------------------------------------------------
>
> Key: ARROW-8306
> URL: https://issues.apache.org/jira/browse/ARROW-8306
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.16.0
> Reporter: Liam Connell
> Priority: Minor
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> the `_ensure_filesystem()` function in pyarrow.filesystem currently checks if the type of the filesystem is a subclass of FileSystem:
> ```
> if not issubclass(fs_type, FileSystem):```
> Instead, it should check if the object itself is a subclass:
> ```if not issubclass(fs, FileSystem):```
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