Collecting isotope==0.0.1a0
  1 location(s) to search for versions of isotope:
  * https://pypi.python.org/simple/isotope/
  Getting page https://pypi.python.org/simple/isotope/
  Analyzing links from page https://pypi.python.org/simple/isotope/
    Found link https://pypi.python.org/packages/72/96/e092a8302c77c935d18af5c54018f88f4366ecd019489f44e34b48fb15eb/isotope-0.0.1a0.tar.gz#md5=3625a00a78f26604d66561c4c4e07202 (from https://pypi.python.org/simple/isotope/) (requires-python:>=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4), version: 0.0.1a0
    Found link https://pypi.python.org/packages/87/6e/2f3ef17be2b499c9cb598f35379b22f71af19fe51746993d9c1dd3ef3c4f/isotope-0.0.1a0-py2.py3-none-any.whl#md5=08ab62ef40b1ba35afb4c7c3a9671551 (from https://pypi.python.org/simple/isotope/) (requires-python:>=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4), version: 0.0.1a0
  Using version 0.0.1a0 (newest of versions: 0.0.1a0)
  Downloading isotope-0.0.1a0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/87/6e/2f3ef17be2b499c9cb598f35379b22f71af19fe51746993d9c1dd3ef3c4f/isotope-0.0.1a0-py2.py3-none-any.whl#md5=08ab62ef40b1ba35afb4c7c3a9671551 (from https://pypi.python.org/simple/isotope/) (requires-python:>=2.6, !=3.0.*, !=3.1.*, !=3.2.*, <4)
  Saved /tmp/tmpcp903vnw/isotope-0.0.1a0-py2.py3-none-any.whl
Skipping isotope, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-ftac5e7n/isotope