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Korn, Uwe authored 4c31b37a504
ARROW-2147: [Python] Fix type inference of numpy arrays Author: Korn, Uwe <Uwe.Korn@blue-yonder.com> Closes #1908 from xhochy/ARROW-2147 and squashes the following commits: f9cfc5f5 <Korn, Uwe> ARROW-2147: Fix type inference of numpy arrays