Python 3.7.0b1 in testing

[Miro Hrončok]

Please test and add karma:

  * F27: https://bodhi.fedoraproject.org/updates/FEDORA-2018-ac25c1d872
  * F26: https://bodhi.fedoraproject.org/updates/FEDORA-2018-c743211a24
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Miro Hrončok
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Phone: [phone]
IRC: mhroncok