[jira] [Created] (ARROW-2756) [Python] Reduce redundant imports and minor fixes in parquet tests

[Krisztian Szucs (JIRA)]

Krisztian Szucs created ARROW-2756:
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             Summary: [Python] Reduce redundant imports and minor fixes in 
parquet tests
                 Key: ARROW-2756
                 URL: https://issues.apache.org/jira/browse/ARROW-2756
             Project: Apache Arrow
          Issue Type: Improvement
          Components: Python
            Reporter: Krisztian Szucs
            Assignee: Krisztian Szucs






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