Collecting PyCocoa==18.3.15
  1 location(s) to search for versions of PyCocoa:
  * https://pypi.python.org/simple/pycocoa/
  Getting page https://pypi.python.org/simple/pycocoa/
  Analyzing links from page https://pypi.python.org/simple/pycocoa/
    Found link https://pypi.python.org/packages/32/b9/50c463bdda4559b361b3ba6da62261998652904f527fc31f98da8b62d8a6/PyCocoa-18.3.10-py2.py3-none-any.whl#md5=d36a9818551f216b93defddfd47c39f8 (from https://pypi.python.org/simple/pycocoa/), version: 18.3.10
    Found link https://pypi.python.org/packages/62/7a/f40746bef77ca4471531f568e269d6d4a90047d818fb91bd25bd179c41df/PyCocoa-18.3.12.zip#md5=dd7b95cd02c91528e4c9801d6c697af6 (from https://pypi.python.org/simple/pycocoa/), version: 18.3.12
    Found link https://pypi.python.org/packages/97/3d/281f4aff5dc3e9132bddb655eb16aa3479294028a09888d9d2f2653088e4/PyCocoa-18.3.15.zip#md5=b1166b94e723249e93368747717d7800 (from https://pypi.python.org/simple/pycocoa/), version: 18.3.15
    Found link https://pypi.python.org/packages/ac/17/6356bd35fbc5451d37f5bb1b856998a93958f0e05e56c53ad8daa366a7d8/PyCocoa-18.3.12-py2.py3-none-any.whl#md5=3eb52a5906a58e3be84251ecaeda94cd (from https://pypi.python.org/simple/pycocoa/), version: 18.3.12
    Found link https://pypi.python.org/packages/b4/73/c56db93c0143cb911dc799911cf9d2bd991b361377f530ff0d190f815958/PyCocoa-18.3.15-py2.py3-none-any.whl#md5=5e7c2993efbd63d527db4ed4077050b9 (from https://pypi.python.org/simple/pycocoa/), version: 18.3.15
    Found link https://pypi.python.org/packages/d3/9c/dee5afe2e37f950cb7fcd7b503521b0e9f5c4d6b015386b94c0d626003e1/PyCocoa-18.3.10.zip#md5=aef475ce099ec249529633ad48d025a7 (from https://pypi.python.org/simple/pycocoa/), version: 18.3.10
  Using version 18.3.15 (newest of versions: 18.3.15)
  Downloading PyCocoa-18.3.15-py2.py3-none-any.whl (46kB)
  Downloading from URL https://pypi.python.org/packages/b4/73/c56db93c0143cb911dc799911cf9d2bd991b361377f530ff0d190f815958/PyCocoa-18.3.15-py2.py3-none-any.whl#md5=5e7c2993efbd63d527db4ed4077050b9 (from https://pypi.python.org/simple/pycocoa/)
  Saved /tmp/tmpqfm0xom5/PyCocoa-18.3.15-py2.py3-none-any.whl
Skipping PyCocoa, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-n_q9544g/PyCocoa