This release includes the following bugfixes:

• Python3.7 and PyPy decompiling fixes
• Fix reading NULL from Optional nullable array column
• Fix handling of empty arrays in queries
• #415: error message typo
• #432: PonyFlask – request object can trigger teardown_request without real request
• Fix GROUP CONCAT separator for MySQL

If you use Python 3.7 or PyPy we strongly recommend to upgrade to this release.

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