Collecting nionswift==0.13.1
  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
    Found link https://files.pythonhosted.org/packages/c1/5d/73d6b18d67faa05192c34ba7d6ed57bdcbaaac241d8a179f5e57f0b4f0a5/nionswift-0.13.1-py3-none-any.whl#sha256=b4ceb542d31574815b9be7b214de9c4a3a4219f4aca4244c96bf3fe122229fd2 (from https://pypi.org/simple/nionswift/), version: 0.13.1
    Found link https://files.pythonhosted.org/packages/d6/da/0f6518c7e3888f47e6f560f5af189d8e41e883d6f56f9e8fc1bd27bee7b8/nionswift-0.13.1.tar.gz#sha256=a58cbe848c8346781e1076a8aa1003109888b3d0fda8b22a091de6c8bcb13c3f (from https://pypi.org/simple/nionswift/), version: 0.13.1
  Using version 0.13.1 (newest of versions: 0.13.1)
  Downloading https://files.pythonhosted.org/packages/c1/5d/73d6b18d67faa05192c34ba7d6ed57bdcbaaac241d8a179f5e57f0b4f0a5/nionswift-0.13.1-py3-none-any.whl (481kB)
  Downloading from URL https://files.pythonhosted.org/packages/c1/5d/73d6b18d67faa05192c34ba7d6ed57bdcbaaac241d8a179f5e57f0b4f0a5/nionswift-0.13.1-py3-none-any.whl#sha256=b4ceb542d31574815b9be7b214de9c4a3a4219f4aca4244c96bf3fe122229fd2 (from https://pypi.org/simple/nionswift/)
  Saved /tmp/tmp4d2cef18/nionswift-0.13.1-py3-none-any.whl
Skipping nionswift, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-u3qqpxuu/nionswift