Collecting csv23==0.1
  1 location(s) to search for versions of csv23:
  * https://pypi.python.org/simple/csv23/
  Getting page https://pypi.python.org/simple/csv23/
  Analyzing links from page https://pypi.python.org/simple/csv23/
    Found link https://pypi.python.org/packages/a4/53/f95a87c5ad0a4b562994c6399a4f7b2656f0d1c78750ffd4e95a7eca4c84/csv23-0.1-py2.py3-none-any.whl#md5=7fbb4afa0d21a7d51d6da822d3770d92 (from https://pypi.python.org/simple/csv23/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*), version: 0.1
    Found link https://pypi.python.org/packages/f6/8e/845dc9d503dd9c9ec6632db20f65d28d8134870f60e1810b5026af8e5b58/csv23-0.1.zip#md5=b3173d479245df84d3abda736a078e8d (from https://pypi.python.org/simple/csv23/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*), version: 0.1
  Using version 0.1 (newest of versions: 0.1)
  Downloading csv23-0.1-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/a4/53/f95a87c5ad0a4b562994c6399a4f7b2656f0d1c78750ffd4e95a7eca4c84/csv23-0.1-py2.py3-none-any.whl#md5=7fbb4afa0d21a7d51d6da822d3770d92 (from https://pypi.python.org/simple/csv23/) (requires-python:>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*)
  Saved /tmp/tmpse6y41is/csv23-0.1-py2.py3-none-any.whl
Skipping csv23, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-otx1bpsb/csv23