Created temporary directory: /tmp/pip-ephem-wheel-cache-jqtqe4i0
Created temporary directory: /tmp/pip-req-tracker-fovytj0m
Created requirements tracker '/tmp/pip-req-tracker-fovytj0m'
Created temporary directory: /tmp/pip-wheel-illcqesg
Collecting apng==0.3.4
  1 location(s) to search for versions of apng:
  * https://pypi.org/simple/apng/
  Getting page https://pypi.org/simple/apng/
  Analyzing links from page https://pypi.org/simple/apng/
    Found link https://files.pythonhosted.org/packages/c1/b6/55c7d7d06d2a6c8ce0321649b4c645de6c905945ef06228e0b40f50da288/apng-0.1.0-py3-none-any.whl#sha256=34b59c20a79405b0d52acbf2f6cd4a6848c3b2d0ca53f15b9028ea2ad0724f24 (from https://pypi.org/simple/apng/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/55/7d/5822d28696fd16b57186fd669f6fe31983f4a550b0deda4722cef4b60383/apng-0.1.0.zip#sha256=cece63c3f29e51233028f543b56e7824a40ea0fbb1f2353eba3418037d7be787 (from https://pypi.org/simple/apng/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/27/23/afa827d07fdde7133a42cad6da0c609647b3fddaa72049b4ff088a06aaed/apng-0.2.0-py3-none-any.whl#sha256=24ea68997216f00c3a80ee038793eb4f59b3afbab0bbb44da8c40d3780910579 (from https://pypi.org/simple/apng/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/db/2d/b262d4d648e39edd5a23ad8cf2a4136fe8061d285b70f18c4536d6b1299f/apng-0.2.0.tar.gz#sha256=9c4bf2032eab606296d7584ecf5246b20f0aba2ebb675962b6b8ba1abc532b44 (from https://pypi.org/simple/apng/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/ac/62/4455c583c541d93afee6ff2804b73786952822fdf3ef16eeaeff1f609620/apng-0.2.1-py3-none-any.whl#sha256=dcb36a26fa0cbda556139f5cce94ad1755c2e474f4926d4a312da573eab1d998 (from https://pypi.org/simple/apng/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/21/0b/4bd34b7d0b2e50b69407af40371fb92608fc064eae60bc47575293838191/apng-0.2.1.tar.gz#sha256=b075c90500b8d070b231a6dc215d468f93a06ebcb8840ae181160ec1cbe04263 (from https://pypi.org/simple/apng/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/dc/de/6db7d12a433a1e59b9dd4d031ae21a033d98102425caad30a6503dbeff12/apng-0.3.0-py3-none-any.whl#sha256=a7360a7742e8e015f8d013ff6ed62b57aa222511ad7082c2a7a1e54a6b4f5956 (from https://pypi.org/simple/apng/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/f8/13/4cc663ccd845f38fb2c51a22aa9aefcc27d5f06bf08763c201d19fd70d4f/apng-0.3.0.tar.gz#sha256=7135fa087aef0353e02ae90af272fcea8e8e27f1f7a313576359ed3b29aee0fe (from https://pypi.org/simple/apng/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/6c/2b/c994ccd4a3ad5fb055279292f8f1be8fa6d172e144fcc9f2a2a2004de5e9/apng-0.3.1-py2.py3-none-any.whl#sha256=4a2fe781fb01b1338c5112392c0d3f67c569803dadbede47efc975a42b95cf85 (from https://pypi.org/simple/apng/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/84/7f/e14e781da9e3f7a9b1fa15f1be11e4f94d5964397d26957ab8ac33e2ec36/apng-0.3.1.tar.gz#sha256=de718ed4cdf9ed1deee060db82d9e1980f3345fa88beedd7ce8d027371ee5db9 (from https://pypi.org/simple/apng/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/9f/17/7b3d221b5194260cd864fa214d9084a466c258ca783c7063182d82c22239/apng-0.3.2-py2.py3-none-any.whl#sha256=f70b50a7fd3a3b92577794e7acb496b9337a9e2130801e944b7e455ab05374c7 (from https://pypi.org/simple/apng/), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/83/c9/03a5657b09df23d72d133d038271bc8cfea95fa9b61691aa75310aee2aaf/apng-0.3.2.tar.gz#sha256=d56a8d6cfa00214cd4f3d064ce771c437043373d501a730ad3e8d9ced6ac7ce5 (from https://pypi.org/simple/apng/), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/7b/75/261c53288e91d978f4bd9066a73ddcb4cfb047b8d3a21e6255889eb7deae/apng-0.3.3-py2.py3-none-any.whl#sha256=0ab31016a93fd506daa50a84592bb9e4c7ce07449228a445d3a856944fae2711 (from https://pypi.org/simple/apng/), version: 0.3.3
    Found link https://files.pythonhosted.org/packages/be/2e/2f9d9893370311ec79229c893bb63bebd5d95ded17cad5f14751f64575e7/apng-0.3.3.tar.gz#sha256=0871654d8bba9280ad5ec3446c29174b241b578777ea14bf02f2f4d5a193738b (from https://pypi.org/simple/apng/), version: 0.3.3
    Found link https://files.pythonhosted.org/packages/65/db/b3f4bf6cd1584e9f2ef903b7e3d1a4b209b98caccf336baa56da18e43e8f/apng-0.3.4-py2.py3-none-any.whl#sha256=6cb5d09d2c5cfd12226a13e64e731dcf94a399ba252d122309134a86ce14c942 (from https://pypi.org/simple/apng/), version: 0.3.4
    Found link https://files.pythonhosted.org/packages/2b/fe/45f21b8a2236bf6079daf1fccde5c839b881192bb474f3a49ef9ae35e4be/apng-0.3.4.tar.gz#sha256=a3e4007fbadab2188ef80490bff4e75acc847158d22ec97176f6040ff76465ae (from https://pypi.org/simple/apng/), version: 0.3.4
  Using version 0.3.4 (newest of versions: 0.3.4)
  Created temporary directory: /tmp/pip-unpack-wwb78vfv
  Downloading https://files.pythonhosted.org/packages/65/db/b3f4bf6cd1584e9f2ef903b7e3d1a4b209b98caccf336baa56da18e43e8f/apng-0.3.4-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/65/db/b3f4bf6cd1584e9f2ef903b7e3d1a4b209b98caccf336baa56da18e43e8f/apng-0.3.4-py2.py3-none-any.whl#sha256=6cb5d09d2c5cfd12226a13e64e731dcf94a399ba252d122309134a86ce14c942 (from https://pypi.org/simple/apng/)
  Saved /tmp/tmpiwv1pjyn/apng-0.3.4-py2.py3-none-any.whl
  Added apng==0.3.4 from https://files.pythonhosted.org/packages/65/db/b3f4bf6cd1584e9f2ef903b7e3d1a4b209b98caccf336baa56da18e43e8f/apng-0.3.4-py2.py3-none-any.whl#sha256=6cb5d09d2c5cfd12226a13e64e731dcf94a399ba252d122309134a86ce14c942 to build tracker '/tmp/pip-req-tracker-fovytj0m'
  Removed apng==0.3.4 from https://files.pythonhosted.org/packages/65/db/b3f4bf6cd1584e9f2ef903b7e3d1a4b209b98caccf336baa56da18e43e8f/apng-0.3.4-py2.py3-none-any.whl#sha256=6cb5d09d2c5cfd12226a13e64e731dcf94a399ba252d122309134a86ce14c942 from build tracker '/tmp/pip-req-tracker-fovytj0m'
Skipping apng, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-illcqesg/apng
Removed build tracker '/tmp/pip-req-tracker-fovytj0m'