Collecting nionswift-io==0.13.1
  1 location(s) to search for versions of nionswift-io:
  * https://pypi.python.org/simple/nionswift-io/
  Getting page https://pypi.python.org/simple/nionswift-io/
  Analyzing links from page https://pypi.org/simple/nionswift-io/
    Found link https://files.pythonhosted.org/packages/af/a3/472ae8b8306c36f32d4a65577c844342297ef3d45bff41e586ff43e60f28/nionswift_io-0.13.0-py3-none-any.whl#sha256=b3946bcdc0c8b80dc05387e12d599d92941d772147a725e663afe7be02ce20b5 (from https://pypi.org/simple/nionswift-io/) (requires-python:~=3.5), version: 0.13.0
    Found link https://files.pythonhosted.org/packages/cb/ec/9c0ec4107146ad125134d36e37c816373ca7258f14143e624ea47d73d41d/nionswift-io-0.13.1.tar.gz#sha256=04d8ec8b44b77cc98d367efd515257e183da861d25814a765fba39775f0089d6 (from https://pypi.org/simple/nionswift-io/) (requires-python:~=3.5), version: 0.13.1
    Found link https://files.pythonhosted.org/packages/49/20/1da167e31b323b65e5377c287bc5504f0adc69ee1c093cce4197240b904d/nionswift_io-0.13.1-py3-none-any.whl#sha256=14a0b4302e30ea65503ffa1da2d491c90e1471b30f81e5fcaec426d2c9032e2f (from https://pypi.org/simple/nionswift-io/) (requires-python:~=3.5), version: 0.13.1
  Using version 0.13.1 (newest of versions: 0.13.1)
  Downloading https://files.pythonhosted.org/packages/49/20/1da167e31b323b65e5377c287bc5504f0adc69ee1c093cce4197240b904d/nionswift_io-0.13.1-py3-none-any.whl (109kB)
  Downloading from URL https://files.pythonhosted.org/packages/49/20/1da167e31b323b65e5377c287bc5504f0adc69ee1c093cce4197240b904d/nionswift_io-0.13.1-py3-none-any.whl#sha256=14a0b4302e30ea65503ffa1da2d491c90e1471b30f81e5fcaec426d2c9032e2f (from https://pypi.org/simple/nionswift-io/) (requires-python:~=3.5)
  Saved /tmp/tmp9dm_49tt/nionswift_io-0.13.1-py3-none-any.whl
Skipping nionswift-io, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-_rqq1vqw/nionswift-io