Collecting hifrost==0.0.1
  1 location(s) to search for versions of hifrost:
  * https://pypi.python.org/simple/hifrost/
  Getting page https://pypi.python.org/simple/hifrost/
  Analyzing links from page https://pypi.org/simple/hifrost/
    Found link https://files.pythonhosted.org/packages/d5/ed/b423c6eb54723b34a4a8e4ce14da98067649eb52ec0ff493d205a37be400/hifrost-0.0.1-py2.py3-none-any.whl#sha256=d1b8fa2abf68425aecce69a45c7a24947c2273f21fa5ada1d58c4854998867c2 (from https://pypi.org/simple/hifrost/), version: 0.0.1
    Found link https://files.pythonhosted.org/packages/7a/0b/5916e889edec647e6e0fa03d733594c2425b4a4d1579c416730bfc031349/hifrost-0.0.1.tar.gz#sha256=20890c12e3c2c95113fdc66476d8023bec16c23025c55209307c947c8b10fd72 (from https://pypi.org/simple/hifrost/), version: 0.0.1
  Using version 0.0.1 (newest of versions: 0.0.1)
  Downloading https://files.pythonhosted.org/packages/d5/ed/b423c6eb54723b34a4a8e4ce14da98067649eb52ec0ff493d205a37be400/hifrost-0.0.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/d5/ed/b423c6eb54723b34a4a8e4ce14da98067649eb52ec0ff493d205a37be400/hifrost-0.0.1-py2.py3-none-any.whl#sha256=d1b8fa2abf68425aecce69a45c7a24947c2273f21fa5ada1d58c4854998867c2 (from https://pypi.org/simple/hifrost/)
  Saved /tmp/tmpbs9b7a3j/hifrost-0.0.1-py2.py3-none-any.whl
Skipping hifrost, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-fa5atlie/hifrost