Collecting nionswift==0.13.0
  1 location(s) to search for versions of nionswift:
  * https://pypi.python.org/simple/nionswift/
  Getting page https://pypi.python.org/simple/nionswift/
  Analyzing links from page https://pypi.org/simple/nionswift/
    Found link https://files.pythonhosted.org/packages/81/96/4828908bccbf6c934320b73e5765645275897df8dced7e30f2c5b8ca6529/nionswift-0.13.0-py3-none-any.whl#sha256=b33594cdb145034a9eb90284888b9c7bce91c28a65ef7a6952abcf0ab0d2fa24 (from https://pypi.org/simple/nionswift/), version: 0.13.0
    Found link https://files.pythonhosted.org/packages/ba/0b/08bee6bd71a01a99f85bddf1779e9a8f539471485aea722325505538b05a/nionswift-0.13.0.tar.gz#sha256=3edc0827b1fff5d57a2171c5a7206dac88f4e76eca7a2cf5f3864681a08b74cd (from https://pypi.org/simple/nionswift/), version: 0.13.0
  Using version 0.13.0 (newest of versions: 0.13.0)
  Downloading https://files.pythonhosted.org/packages/81/96/4828908bccbf6c934320b73e5765645275897df8dced7e30f2c5b8ca6529/nionswift-0.13.0-py3-none-any.whl (481kB)
  Downloading from URL https://files.pythonhosted.org/packages/81/96/4828908bccbf6c934320b73e5765645275897df8dced7e30f2c5b8ca6529/nionswift-0.13.0-py3-none-any.whl#sha256=b33594cdb145034a9eb90284888b9c7bce91c28a65ef7a6952abcf0ab0d2fa24 (from https://pypi.org/simple/nionswift/)
  Saved /tmp/tmpz9odt1bi/nionswift-0.13.0-py3-none-any.whl
Skipping nionswift, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-hduzb252/nionswift