Created temporary directory: /tmp/pip-ephem-wheel-cache-m72eoiu5
Created temporary directory: /tmp/pip-req-tracker-7lu67ru6
Created requirements tracker '/tmp/pip-req-tracker-7lu67ru6'
Created temporary directory: /tmp/pip-wheel-jundpkxd
Collecting ctypes-callable==1.0.0.post1
  1 location(s) to search for versions of ctypes-callable:
  * https://pypi.org/simple/ctypes-callable/
  Getting page https://pypi.org/simple/ctypes-callable/
  Analyzing links from page https://pypi.org/simple/ctypes-callable/
    Found link https://files.pythonhosted.org/packages/43/bb/d13964891d61e3236b423fafc917daa049ee66f1ef7985769a7de86055e4/ctypes-callable-1.0.0.tar.gz#sha256=2d68eaec023b47af74b64da3a1377c5fa2730429c353cbda07e62df39c843da1 (from https://pypi.org/simple/ctypes-callable/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/70/bd/a2906e53a9ca534248e61776d8acbd601fedaf55c55fe0b74b48911ca87a/ctypes_callable-1.0.0-py2.py3-none-any.whl#sha256=90e8088d41592b3f95165941fee3043afff6e6b2fa9b1347c41998640fc38082 (from https://pypi.org/simple/ctypes-callable/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/b0/2a/43732c3cdd670395b50bb82722e04b4c9233956055f0d8074984d0d87b70/ctypes-callable-1.0.0.post1.tar.gz#sha256=88c683d15c24c25842232452fb562587113ba18148983d9d3a02f6e9508404d6 (from https://pypi.org/simple/ctypes-callable/), version: 1.0.0.post1
    Found link https://files.pythonhosted.org/packages/06/30/6abda69adfb2f64533a65a8d25560818223a56e630443be55c26cfc81c02/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl#sha256=99a69fab337d53747ede4e9b5648b281746caff8720dc804a2a3e204869e32d9 (from https://pypi.org/simple/ctypes-callable/), version: 1.0.0.post1
  Using version 1.0.0.post1 (newest of versions: 1.0.0.post1)
  Created temporary directory: /tmp/pip-unpack-mwd3arvm
  Downloading https://files.pythonhosted.org/packages/06/30/6abda69adfb2f64533a65a8d25560818223a56e630443be55c26cfc81c02/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/06/30/6abda69adfb2f64533a65a8d25560818223a56e630443be55c26cfc81c02/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl#sha256=99a69fab337d53747ede4e9b5648b281746caff8720dc804a2a3e204869e32d9 (from https://pypi.org/simple/ctypes-callable/)
  Saved /tmp/tmpgo2kwsed/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl
  Added ctypes-callable==1.0.0.post1 from https://files.pythonhosted.org/packages/06/30/6abda69adfb2f64533a65a8d25560818223a56e630443be55c26cfc81c02/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl#sha256=99a69fab337d53747ede4e9b5648b281746caff8720dc804a2a3e204869e32d9 to build tracker '/tmp/pip-req-tracker-7lu67ru6'
  Removed ctypes-callable==1.0.0.post1 from https://files.pythonhosted.org/packages/06/30/6abda69adfb2f64533a65a8d25560818223a56e630443be55c26cfc81c02/ctypes_callable-1.0.0.post1-py2.py3-none-any.whl#sha256=99a69fab337d53747ede4e9b5648b281746caff8720dc804a2a3e204869e32d9 from build tracker '/tmp/pip-req-tracker-7lu67ru6'
Skipping ctypes-callable, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-jundpkxd/ctypes-callable
Removed build tracker '/tmp/pip-req-tracker-7lu67ru6'