History
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-1.4.3 (2018-07-31)
+1.5.0 (2018-08-05)
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* Added formal support for Python 3.7
* Removed formal support for Python 3.3
+1.4.3 (2018-06-14)
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+
+* Catch SyntaxError from asyncio import on older versions of Python, thanks to @asottile
+
1.4.2 (2018-04-08)
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