Created temporary directory: /tmp/pip-ephem-wheel-cache-wqggnf79
Created temporary directory: /tmp/pip-req-tracker-rfsrhvh6
Created requirements tracker '/tmp/pip-req-tracker-rfsrhvh6'
Created temporary directory: /tmp/pip-wheel-moy_7wmy
Collecting nbval==0.9.5
  1 location(s) to search for versions of nbval:
  * https://pypi.org/simple/nbval/
  Getting page https://pypi.org/simple/nbval/
  Analyzing links from page https://pypi.org/simple/nbval/
    Found link https://files.pythonhosted.org/packages/3a/90/51cc085cbc5a8f01e879e0b3a2e39ec89ae8d1ac005f32fd2f8f19d6b29c/nbval-0.3.2-py2.py3-none-any.whl#sha256=48921aed569937068b9862901de38af1d58e3a1ab231c07fc82ba65eaccabeab (from https://pypi.org/simple/nbval/), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/7b/03/ada501b7656d97e8047806dfeca32a4711ebb4ddc16c54b619b8ff260123/nbval-0.3.4-py3-none-any.whl#sha256=64de14e89ce3eb710579b27f6377bb4d37aa23428ccb460564373eeb52a2aafd (from https://pypi.org/simple/nbval/), version: 0.3.4
    Found link https://files.pythonhosted.org/packages/cd/3e/6c81b99ad095c86ad8f27a325fd3e5d9e51a908266849206dffa84f631a0/nbval-0.3.4.tar.gz#sha256=895618ba873be8470b020c459b6a78f9fcd0a09932d6f5d52ee587bd95b04865 (from https://pypi.org/simple/nbval/), version: 0.3.4
    Found link https://files.pythonhosted.org/packages/36/e4/3903f0e8c278986a1066781e09c8a9f1ecd3b75c41f27b33cf5423d27f49/nbval-0.3.5-py3-none-any.whl#sha256=4af12ab6e8f779416a5c38da02306e687d1b03ca221543c35fd8ef46b36f7a9e (from https://pypi.org/simple/nbval/), version: 0.3.5
    Found link https://files.pythonhosted.org/packages/bc/09/0adf59394ff3c6908c82f46eb5e5e8a3c0ccaecd5c5f32ace67e47cbf9d1/nbval-0.3.5.tar.gz#sha256=cce2ea2002da4c30641b5f02c5cb4786dc6a953878f566f4752df335a02dfa45 (from https://pypi.org/simple/nbval/), version: 0.3.5
    Found link https://files.pythonhosted.org/packages/7f/d3/54b37a7100d03d3d474ca2d9977aaf566e8388f04952b503099cde620720/nbval-0.3.6-py3-none-any.whl#sha256=e47b5516696e43f453d841779f1be32b35dae7450a215b92c425f9cbb7e07667 (from https://pypi.org/simple/nbval/), version: 0.3.6
    Found link https://files.pythonhosted.org/packages/6f/7f/03affe0888eb77d4cbd960b642f3943b6ab110e77a498480451610ae8e53/nbval-0.3.6.tar.gz#sha256=bd656752fa22857777aea3c024b8b86d394455d7c8a115da9d2728b018fd3fd8 (from https://pypi.org/simple/nbval/), version: 0.3.6
    Found link https://files.pythonhosted.org/packages/b4/9d/a78abff97df323f3ae4cba6defbb414ffc1ed67996bbe4192b61562f4127/nbval-0.4.0-py2.py3-none-any.whl#sha256=b042dc8b653a5864f8e08609cea3ae4b0ac1fb1a8bd0588f53406c44286fae15 (from https://pypi.org/simple/nbval/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/a0/1e/df8d84e4c38b5546ea3dfc3113fb6c53fdde67466eb7a5a43560987c658c/nbval-0.4.0.tar.gz#sha256=35f1cd090cc38440b9a77b60d26f44322dad4ce2a9f333ed7108eca3b88b14b3 (from https://pypi.org/simple/nbval/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/16/21/e05f6e0c30f9b7f2474fa6203f895e52a9c003bd4e3eca0e4fafa7828d1b/nbval-0.4.1-py2.py3-none-any.whl#sha256=21dfab9f67bf1d3725c311efe944594ea94c546013ed2492ed90a3a43a6120f2 (from https://pypi.org/simple/nbval/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/27/7e/aaa22d17fee443c4fa192072b14fba60eba3c6a19d4444cd0fd7e9b351e3/nbval-0.4.1.tar.gz#sha256=28efe738759d085c86acae18c407e24cc6b23f9cfaefa6d17d09e64d32577125 (from https://pypi.org/simple/nbval/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/fe/a6/1fc59c6ec7b527048597f3ebe31c839d8fe0f35b215b3b83817e683335ce/nbval-0.5-py2.py3-none-any.whl#sha256=dc3cede5d5b57ebdd3ef430adf75998a3cb3470a3e69adbfcc8993e4d24c507c (from https://pypi.org/simple/nbval/), version: 0.5
    Found link https://files.pythonhosted.org/packages/02/05/ecf96a0c34732d66a12c19d2ff8eea8c201366c8b12005527db9dcc94abd/nbval-0.5.tar.gz#sha256=bd245c0fb3ade4aff63948d31de5cb5f92129c7387e597d1229f687e5350eba7 (from https://pypi.org/simple/nbval/), version: 0.5
    Found link https://files.pythonhosted.org/packages/cb/35/29fd8f8b0e724a6bc70f0b011affa35497d15984f9eaf933c702dcee35b3/nbval-0.6-py2.py3-none-any.whl#sha256=c306b2bfb48445d3c4437a59e1ef579d2cf772dc6d31f6b82a441ea6e5d480d2 (from https://pypi.org/simple/nbval/), version: 0.6
    Found link https://files.pythonhosted.org/packages/b3/d2/c2ca5c20bbc6dcf4d0764da189ea4970d4267fd3728a216fa16b197b7189/nbval-0.6.tar.gz#sha256=6037128a0d18c5996f68efc766cc62190ad36d117818ea49e80dbd4a18c9dca8 (from https://pypi.org/simple/nbval/), version: 0.6
    Found link https://files.pythonhosted.org/packages/85/41/c53c4e604fc215cff6b3aa80a4f51fda4b68222b487642157fa321ea0466/nbval-0.7-py2.py3-none-any.whl#sha256=ee4d314a00bf191af77e03f6ef445fb7255436c9d54eccc03cfd0e562b7dd530 (from https://pypi.org/simple/nbval/), version: 0.7
    Found link https://files.pythonhosted.org/packages/1e/50/86960087a6aa21709d6cfbcee9d9d8a221a05386f55e218b72800ac1a14e/nbval-0.7.tar.gz#sha256=1f009c45ce38abda6b3c1b755cf080f7cd25526721fe3f0060fce89f2a9fb861 (from https://pypi.org/simple/nbval/), version: 0.7
    Found link https://files.pythonhosted.org/packages/b9/dd/eba22ba91e6b9445cf7bafd8febbcbf03744ef846eeea44a4649a7e7486b/nbval-0.8.0-py2.py3-none-any.whl#sha256=b2d79da13b904b634ad2c78adef135059786f74ababc7c4b386fe148c54ba27e (from https://pypi.org/simple/nbval/), version: 0.8.0
    Found link https://files.pythonhosted.org/packages/58/cc/e9855c93d0c67df98103b04ea169ed9c9111cef5e02643ad13e7456c2b66/nbval-0.8.0.tar.gz#sha256=6501a4c29418631ce844a0feb8f07b8217cd780deb2b9a14e6a219cee49bd228 (from https://pypi.org/simple/nbval/), version: 0.8.0
    Found link https://files.pythonhosted.org/packages/21/94/a5173b196698c37de25fdf080cafb5aef68e09b7431b6d0c578b268c9f6b/nbval-0.9.0-py2.py3-none-any.whl#sha256=cb359442fc2a605bd1a57513cc7a6c6485a02dc965e182f0de235eceb7a0a84b (from https://pypi.org/simple/nbval/), version: 0.9.0
    Found link https://files.pythonhosted.org/packages/58/ce/d705c865bdec10ab94c1c57b76e77f07241ef5c11c4976ec7e00de259f92/nbval-0.9.0.tar.gz#sha256=dec2a26bb32a29f92a577554b7142f960b8a91bca8cfaf23f4238718197bf7f3 (from https://pypi.org/simple/nbval/), version: 0.9.0
    Found link https://files.pythonhosted.org/packages/0b/c7/f12cf36398ba2a821dccd591b91d5a5d38afccd36fd9b37cc5507cd5d5f4/nbval-0.9.1-py2.py3-none-any.whl#sha256=74ff5e2c90a50b1ddf7edd02978c4e43221b1ee252dc14fcaa4230aae4492eda (from https://pypi.org/simple/nbval/), version: 0.9.1
    Found link https://files.pythonhosted.org/packages/b0/40/09d964562705143f3741194178fff900977f4dc54d73578295ed7d5d5aa1/nbval-0.9.1.tar.gz#sha256=3f18b87af4e94ccd073263dd58cd3eebabe9f5e4d6ab535b39d3af64811c7eda (from https://pypi.org/simple/nbval/), version: 0.9.1
    Found link https://files.pythonhosted.org/packages/2f/2a/e34cbb6c5932a2aa4a874c21d7be16775500b96ce6677412bb329fe6ad48/nbval-0.9.2-py2.py3-none-any.whl#sha256=178ea3e9d0ffb4b1eb175728b0655f3da208e57bc47c11072a48ddedc4314c40 (from https://pypi.org/simple/nbval/), version: 0.9.2
    Found link https://files.pythonhosted.org/packages/82/3b/357afcb7b70646a54ab109e8ae182e68cadc12d8d06ec00d16e720583dcd/nbval-0.9.2.tar.gz#sha256=e26ea0af4b46bc8200075fc665bf8e645aaeae1467ce6c7d84fe595402a11d3d (from https://pypi.org/simple/nbval/), version: 0.9.2
    Found link https://files.pythonhosted.org/packages/80/08/6b1e7d87a90edb02c272e30f4f6f325da5a5c8dfc3eaeaa4a8138fb97e43/nbval-0.9.3-py2.py3-none-any.whl#sha256=ae529024ae63d8a09eac36358d61b17f631c4a481e5721bca9d4a40edb07a666 (from https://pypi.org/simple/nbval/), version: 0.9.3
    Found link https://files.pythonhosted.org/packages/ac/d6/57e2ad879a8277d317a0086e432abb11eecdd75ab3b40df12f08c3c30083/nbval-0.9.3.tar.gz#sha256=f28f755d777f2ffbdfdcc3e3ea68a09b73d62a5aa45e3daaba179043656e2318 (from https://pypi.org/simple/nbval/), version: 0.9.3
    Found link https://files.pythonhosted.org/packages/1f/80/70b39c934c407c038aab67f7047cabb2c05894bbf9d465f9765461f0cf30/nbval-0.9.4-py2.py3-none-any.whl#sha256=66cc65fdc143e8e13ae3801702da5b699f3d5056434d71b335434e1a2be291e5 (from https://pypi.org/simple/nbval/), version: 0.9.4
    Found link https://files.pythonhosted.org/packages/8a/9d/152c8783de318eeeb6b822dc56d542fddab14a64f5044ac726f8f3ca3dd1/nbval-0.9.4.tar.gz#sha256=5273c2d958335e24b170fe59b689b13e4b1855b569626e18b1c7e420f5110cc6 (from https://pypi.org/simple/nbval/), version: 0.9.4
    Found link https://files.pythonhosted.org/packages/8a/a0/03ca3ca5cc92e60fedf743e045b1d0a66240a69219e3828234bebfb4d08b/nbval-0.9.5-py2.py3-none-any.whl#sha256=10aced0f9a28893e608c2704b2e8bdcbc57635db9640d454f85fe0545fda5002 (from https://pypi.org/simple/nbval/), version: 0.9.5
    Found link https://files.pythonhosted.org/packages/85/9d/7de4d58a5b423561443a738771b56794e4cb9dc51e6f2996e75737f2eddf/nbval-0.9.5.tar.gz#sha256=e8727bb54ae844368fd17a40c15f3bf2ae64be6ec3a9ac1433e0155ddeb902f6 (from https://pypi.org/simple/nbval/), version: 0.9.5
  Using version 0.9.5 (newest of versions: 0.9.5)
  Created temporary directory: /tmp/pip-unpack-nnn0yppp
  Downloading https://files.pythonhosted.org/packages/8a/a0/03ca3ca5cc92e60fedf743e045b1d0a66240a69219e3828234bebfb4d08b/nbval-0.9.5-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/8a/a0/03ca3ca5cc92e60fedf743e045b1d0a66240a69219e3828234bebfb4d08b/nbval-0.9.5-py2.py3-none-any.whl#sha256=10aced0f9a28893e608c2704b2e8bdcbc57635db9640d454f85fe0545fda5002 (from https://pypi.org/simple/nbval/)
  Saved /tmp/tmp6359cx3k/nbval-0.9.5-py2.py3-none-any.whl
  Added nbval==0.9.5 from https://files.pythonhosted.org/packages/8a/a0/03ca3ca5cc92e60fedf743e045b1d0a66240a69219e3828234bebfb4d08b/nbval-0.9.5-py2.py3-none-any.whl#sha256=10aced0f9a28893e608c2704b2e8bdcbc57635db9640d454f85fe0545fda5002 to build tracker '/tmp/pip-req-tracker-rfsrhvh6'
  Removed nbval==0.9.5 from https://files.pythonhosted.org/packages/8a/a0/03ca3ca5cc92e60fedf743e045b1d0a66240a69219e3828234bebfb4d08b/nbval-0.9.5-py2.py3-none-any.whl#sha256=10aced0f9a28893e608c2704b2e8bdcbc57635db9640d454f85fe0545fda5002 from build tracker '/tmp/pip-req-tracker-rfsrhvh6'
Skipping nbval, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-moy_7wmy/nbval
Removed build tracker '/tmp/pip-req-tracker-rfsrhvh6'