Collecting pyxlib==0.21
  1 location(s) to search for versions of pyxlib:
  * https://pypi.python.org/simple/pyxlib/
  Getting page https://pypi.python.org/simple/pyxlib/
  Analyzing links from page https://pypi.python.org/simple/pyxlib/
    Found link https://pypi.python.org/packages/50/f8/480de4f2aa385b0e8de29789dc9f6d0a4af0aafdc9200cdc8a85d74d5e7f/pyxlib-0.21.tar.gz#md5=ff4f8262b94e445123b5f9c5cde7ca02 (from https://pypi.python.org/simple/pyxlib/), version: 0.21
    Found link https://pypi.python.org/packages/80/67/169d3566eb1eb0729feb8c0e118b0cad1f036ebde8b1ea567c57f22b89fb/pyxlib-0.21-py2.py3-none-any.whl#md5=d03c5eca073e158e875a313c740dda1f (from https://pypi.python.org/simple/pyxlib/), version: 0.21
  Using version 0.21 (newest of versions: 0.21)
  Downloading pyxlib-0.21-py2.py3-none-any.whl (123kB)
  Downloading from URL https://pypi.python.org/packages/80/67/169d3566eb1eb0729feb8c0e118b0cad1f036ebde8b1ea567c57f22b89fb/pyxlib-0.21-py2.py3-none-any.whl#md5=d03c5eca073e158e875a313c740dda1f (from https://pypi.python.org/simple/pyxlib/)
  Saved /tmp/tmpdg6e37i8/pyxlib-0.21-py2.py3-none-any.whl
Skipping pyxlib, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-zbhc8zt9/pyxlib