[jira] [Created] (FLINK-2562) [py] Implement KeySelectors

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-2562:
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             Summary: [py] Implement KeySelectors
                 Key: FLINK-2562
                 URL: https://issues.apache.org/jira/browse/FLINK-2562
             Project: Flink
          Issue Type: Sub-task
          Components: Python API
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler






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