Created temporary directory: /tmp/pip-ephem-wheel-cache-tcay7pne
Created temporary directory: /tmp/pip-req-tracker-8mviyzsg
Created requirements tracker '/tmp/pip-req-tracker-8mviyzsg'
Created temporary directory: /tmp/pip-wheel-dp2npc5k
Collecting epubcheck==0.4.2
  1 location(s) to search for versions of epubcheck:
  * https://pypi.org/simple/epubcheck/
  Getting page https://pypi.org/simple/epubcheck/
  Analyzing links from page https://pypi.org/simple/epubcheck/
    Found link https://files.pythonhosted.org/packages/5f/0e/8cd8c6ce1bdf4f91e3770058b3fee01b135f8d35e2206f161dbb04ca8082/epubcheck-0.1.1-py2.py3-none-any.whl#sha256=84d3dd56dd9ae63ce51c9d993279addac001f59bb1512ee3f35a324e55f1cabb (from https://pypi.org/simple/epubcheck/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/4b/8f/e69bbf7de9a79e3a7a024654021b839e061d25f768238b452f24b62eac45/epubcheck-0.1.1.zip#sha256=973dd3dac6c835a7682615d22198be8acbaaa0f35e395f40f1d9db974df78738 (from https://pypi.org/simple/epubcheck/), version: 0.1.1
    Found link https://files.pythonhosted.org/packages/b4/4e/157b8bfa1b299b119f3821940e927e80c18463f94c3c9d6422d981e08c6c/epubcheck-0.2.0-py2.py3-none-any.whl#sha256=25a2d75fa979ea8738907655602125bd2f426d42b6e12bb595c264d6ab73f2cc (from https://pypi.org/simple/epubcheck/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/10/cc/27e7b70400dff1f28dedde867f137ca48c9403ec931c2afb3e6d838f38cf/epubcheck-0.2.0.zip#sha256=8ccd8af99869164768c817a994a1843f1957d7685a7263840e2c9c4bc9bdddf4 (from https://pypi.org/simple/epubcheck/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/06/84/baac360cac6712feddc6f6eb8388f1f43c7830b2a1ddf53ad9a3808874d3/epubcheck-0.3.0-py2.py3-none-any.whl#sha256=3da4cbc8fc0c25d3d441546274cafebcd8a2de3d5ab6ca6215a3f2ef9d7239f5 (from https://pypi.org/simple/epubcheck/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/41/d3/2f5f91d2e6f52cbcf89ea57aaf6cff7e70c57f19391f3201469c78c07373/epubcheck-0.3.0.zip#sha256=183c5c80a87705da0122a4b8ecadb44a1a957618f68b52d0709015d5d3dd66a6 (from https://pypi.org/simple/epubcheck/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/63/39/cec3eb408123a58af8db89830cbc86a96ed1ec832e5d07d3eb30e61b0c67/epubcheck-0.3.1-py2.py3-none-any.whl#sha256=02ff61f5c64c79d65d741f803b45c2543effc70273964f5fa681dd453736fcea (from https://pypi.org/simple/epubcheck/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/47/3b/9acc8c75d9c80948847ec22803e00583e28d87c3f1818227369cace3dcf5/epubcheck-0.3.1.zip#sha256=9138ba247e60a55589da2db6fb9ca5161f5579509bb4b0aa9bddfe77ee7fa7b5 (from https://pypi.org/simple/epubcheck/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/32/f0/eee88e7d8b37f959ec0131578a9c8ee51b6a9df88512cb9653440dd4dee6/epubcheck-0.4.2-py2.py3-none-any.whl#sha256=060c8dd0de60ab7d2a381c85edd5aad7511bddf0b982e443020674f13acb3130 (from https://pypi.org/simple/epubcheck/), version: 0.4.2
    Found link https://files.pythonhosted.org/packages/78/3f/81adee1abc81f1dd0a03f4a748e93669e28b7cc5a0a97d0554b54363a738/epubcheck-0.4.2.tar.gz#sha256=a48b4ced99cfa6468afe26d82112cad06efd6f6e3a99396a2f3811fe6ebc80b6 (from https://pypi.org/simple/epubcheck/), version: 0.4.2
  Using version 0.4.2 (newest of versions: 0.4.2)
  Created temporary directory: /tmp/pip-unpack-yd4vkeqm
  Downloading https://files.pythonhosted.org/packages/32/f0/eee88e7d8b37f959ec0131578a9c8ee51b6a9df88512cb9653440dd4dee6/epubcheck-0.4.2-py2.py3-none-any.whl (12.4MB)
  Downloading from URL https://files.pythonhosted.org/packages/32/f0/eee88e7d8b37f959ec0131578a9c8ee51b6a9df88512cb9653440dd4dee6/epubcheck-0.4.2-py2.py3-none-any.whl#sha256=060c8dd0de60ab7d2a381c85edd5aad7511bddf0b982e443020674f13acb3130 (from https://pypi.org/simple/epubcheck/)
  Saved /tmp/tmp7orxc00_/epubcheck-0.4.2-py2.py3-none-any.whl
  Added epubcheck==0.4.2 from https://files.pythonhosted.org/packages/32/f0/eee88e7d8b37f959ec0131578a9c8ee51b6a9df88512cb9653440dd4dee6/epubcheck-0.4.2-py2.py3-none-any.whl#sha256=060c8dd0de60ab7d2a381c85edd5aad7511bddf0b982e443020674f13acb3130 to build tracker '/tmp/pip-req-tracker-8mviyzsg'
  Removed epubcheck==0.4.2 from https://files.pythonhosted.org/packages/32/f0/eee88e7d8b37f959ec0131578a9c8ee51b6a9df88512cb9653440dd4dee6/epubcheck-0.4.2-py2.py3-none-any.whl#sha256=060c8dd0de60ab7d2a381c85edd5aad7511bddf0b982e443020674f13acb3130 from build tracker '/tmp/pip-req-tracker-8mviyzsg'
Skipping epubcheck, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-dp2npc5k/epubcheck
Removed build tracker '/tmp/pip-req-tracker-8mviyzsg'