Collecting arca==0.1.0a0
  1 location(s) to search for versions of arca:
  * https://pypi.python.org/simple/arca/
  Getting page https://pypi.python.org/simple/arca/
  Analyzing links from page https://pypi.python.org/simple/arca/
    Found link https://pypi.python.org/packages/eb/26/b7ebb7cd805cf2d1b106e129f18245d665ae841ab21877fed4a6456352b9/arca-0.0.1-py3-none-any.whl#md5=b6beffcede9dd8ec78a750cd2f349827 (from https://pypi.python.org/simple/arca/), version: 0.0.1
    Found link https://pypi.python.org/packages/2e/fa/608f7f0af5ad1e1f3897e11445cb70c38576120a4f196b8de8c89e2dacd9/arca-0.0.1.tar.gz#md5=fd7ed96161cb74cab5ca8d692682cb95 (from https://pypi.python.org/simple/arca/), version: 0.0.1
    Found link https://pypi.python.org/packages/34/7c/d47dac082796263ff131eb2b2d77c06f124a081aba62bcc2f3c15247a5d3/arca-0.1.0a0-py3-none-any.whl#md5=519defba483c3bdb27386af44f1b929d (from https://pypi.python.org/simple/arca/), version: 0.1.0a0
    Found link https://pypi.python.org/packages/f4/f1/d55743006e7501397df9f4e83f7ae62455e20e9b0db1de3822f7cc02205a/arca-0.1.0a0.tar.gz#md5=fc12b016fed385a9b8b6afb529a14458 (from https://pypi.python.org/simple/arca/), version: 0.1.0a0
  Using version 0.1.0a0 (newest of versions: 0.1.0a0)
  Downloading arca-0.1.0a0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/34/7c/d47dac082796263ff131eb2b2d77c06f124a081aba62bcc2f3c15247a5d3/arca-0.1.0a0-py3-none-any.whl#md5=519defba483c3bdb27386af44f1b929d (from https://pypi.python.org/simple/arca/)
  Saved /tmp/tmpf22uvxwy/arca-0.1.0a0-py3-none-any.whl
Skipping arca, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-4kzjyp9p/arca