Check for py2/py3 consistency in use of round

Description

round behaves differently in Python 2 and 3:

We should check that return values, at least for public APIs, are the same between versions.

Environment

None

Pull Requests

None

Assignee

Unassigned

Reporter

Jim Witschey

Fix versions

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External issue ID

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Doc Impact

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Size

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Pull Request

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Sprint

Py P-MAJOR-NEXT

Priority

Minor