Collecting ctypes-callable==1.0.0
  1 location(s) to search for versions of ctypes-callable:
  * https://pypi.python.org/simple/ctypes-callable/
  Getting page https://pypi.python.org/simple/ctypes-callable/
  Analyzing links from page https://pypi.python.org/simple/ctypes-callable/
    Found link https://pypi.python.org/packages/43/bb/d13964891d61e3236b423fafc917daa049ee66f1ef7985769a7de86055e4/ctypes-callable-1.0.0.tar.gz#md5=c142d22722d8b2d916bf798f72246c88 (from https://pypi.python.org/simple/ctypes-callable/), version: 1.0.0
    Found link https://pypi.python.org/packages/70/bd/a2906e53a9ca534248e61776d8acbd601fedaf55c55fe0b74b48911ca87a/ctypes_callable-1.0.0-py2.py3-none-any.whl#md5=7557ff8d8b95325c420687c7368bb103 (from https://pypi.python.org/simple/ctypes-callable/), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Downloading ctypes_callable-1.0.0-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/70/bd/a2906e53a9ca534248e61776d8acbd601fedaf55c55fe0b74b48911ca87a/ctypes_callable-1.0.0-py2.py3-none-any.whl#md5=7557ff8d8b95325c420687c7368bb103 (from https://pypi.python.org/simple/ctypes-callable/)
  Saved /tmp/tmp5yrdfjhy/ctypes_callable-1.0.0-py2.py3-none-any.whl
Skipping ctypes-callable, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-3seob4sy/ctypes-callable