2020-09-20T19:33:09,071 DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade your Python as Python 3.5 is no longer maintained. pip 21.0 will drop support for Python 3.5 in January 2021. pip 21.0 will remove support for this functionality.
2020-09-20T19:33:09,811 Created temporary directory: /tmp/pip-ephem-wheel-cache-kve7xdxn
2020-09-20T19:33:09,816 Created temporary directory: /tmp/pip-req-tracker-v5mg1ric
2020-09-20T19:33:09,817 Initialized build tracking at /tmp/pip-req-tracker-v5mg1ric
2020-09-20T19:33:09,818 Created build tracker: /tmp/pip-req-tracker-v5mg1ric
2020-09-20T19:33:09,818 Entered build tracker: /tmp/pip-req-tracker-v5mg1ric
2020-09-20T19:33:09,820 Created temporary directory: /tmp/pip-wheel-297la3s0
2020-09-20T19:33:09,836 Looking in indexes: https://pypi.org/simple, https://pypi.ngc.nvidia.com
2020-09-20T19:33:09,839 2 location(s) to search for versions of jupyter-book:
2020-09-20T19:33:09,839 * https://pypi.org/simple/jupyter-book/
2020-09-20T19:33:09,839 * https://pypi.ngc.nvidia.com/jupyter-book/
2020-09-20T19:33:09,839 Fetching project page and analyzing links: https://pypi.org/simple/jupyter-book/
2020-09-20T19:33:09,841 Getting page https://pypi.org/simple/jupyter-book/
2020-09-20T19:33:09,846 Found index url https://pypi.org/simple
2020-09-20T19:33:10,250   Found link https://files.pythonhosted.org/packages/62/02/7c5a91aec9361dabe65e2f9be35244f5f9dd69d1053e36462e8dc01cd729/jupyter-book-0.1.tar.gz#sha256=1a0bfd2c4c607c83d7b5c650e380a6d14ac02e23753c0b5d93dac282f4ed0d5f (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.1
2020-09-20T19:33:10,260   Found link https://files.pythonhosted.org/packages/e5/83/ca521c00b8f74f97fb22cd6c80b6b46a2a3054374024ef7ad6db3b5ce732/jupyter_book-0.1-py3-none-any.whl#sha256=7a90477a7334d3540e03b6d5dd960d72daefcd397a644a513af55d40deb94e0f (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.1
2020-09-20T19:33:10,262   Found link https://files.pythonhosted.org/packages/4a/07/8f7c1da9f1c2f38cbefa9daa9e07702135e2bd1af4e7a4b3a8f208b12445/jupyter_book-0.3-py2.py3-none-any.whl#sha256=f769560d8b7e5b7b08d476d3144262b40252ad47b421461ebef3743d3b33afc8 (from https://pypi.org/simple/jupyter-book/), version: 0.3
2020-09-20T19:33:10,263   Found link https://files.pythonhosted.org/packages/86/2a/6c4e056bd07241f1027dbdc570cf027a191feacec94ab2ea1d6a3200e7fc/jupyter_book-0.3.tar.gz#sha256=21df78e2af861ed8085c946671c71c57fbc1737090561a8013ad37857df227dd (from https://pypi.org/simple/jupyter-book/), version: 0.3
2020-09-20T19:33:10,265   Found link https://files.pythonhosted.org/packages/8f/d1/8a0d4292aff1fdba2f9c1ddf50c3b4ad11d5f590bd18d30869e42e2b6df1/jupyter-book-0.4.1.tar.gz#sha256=51e85701ee0d5b61c941b912f6016a7faf30352eefc4bc5db23f3d35a0193948 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.4.1
2020-09-20T19:33:10,267   Found link https://files.pythonhosted.org/packages/b1/17/9fefb60e72cada2b091feed18ebd8f3a978123c252bf9f7d78c5e0c9f794/jupyter_book-0.4.1-py3-none-any.whl#sha256=ecfee9fb2dcd23a693f9b076feef389de0dd2795db1043c200698e868e6b5c8c (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.4.1
2020-09-20T19:33:10,269   Found link https://files.pythonhosted.org/packages/7a/99/aa107ba2a15b4c6c61454ddcff09a2506790b6bbd9581b48ee03680c6312/jupyter-book-0.4.2.tar.gz#sha256=17e8aad74b1f2cf800c5db2829dd273fd195899f312012885581086c0fc4d550 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.4.2
2020-09-20T19:33:10,271   Found link https://files.pythonhosted.org/packages/f0/f4/8b70c9f785965bb3da532efb9a4373a976f11dffa16e857ebf4e80511475/jupyter_book-0.4.2-py3-none-any.whl#sha256=f3bb5814100189627a48d1c7f52654530854975f027248a76ab8dc9d3e410a24 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.4.2
2020-09-20T19:33:10,273   Found link https://files.pythonhosted.org/packages/37/cb/683a4f9c0ed33d713d905b3eb4eecebca8980d134711990a60d6d324f2e3/jupyter_book-0.5.0-py3-none-any.whl#sha256=63bf36fe155dd9753d9a901242a556c7ed336765d5daa7fd5b4517a161087e55 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.5.0
2020-09-20T19:33:10,274   Found link https://files.pythonhosted.org/packages/b7/e7/256a24862631a2ac60523fe0042d09c768304ed3c322b7a3d6c0df65c413/jupyter-book-0.5.1.tar.gz#sha256=04be8bc625ea493deb426389729a01b232eccb31e45fc5e483e17e3767564073 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.5.1
2020-09-20T19:33:10,277   Found link https://files.pythonhosted.org/packages/f8/e3/63d4b7f57b36448e8a378bbd76d5d8dfb9a9cbfb5457596f32f7103cb0f1/jupyter_book-0.5.1-py3-none-any.whl#sha256=c4822419a4551cdc2440093728ccf14b5f448dd03bea6162e959bc69206c5a45 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.5.1
2020-09-20T19:33:10,279   Found link https://files.pythonhosted.org/packages/17/38/91d4c35ed52b261663f7ac7963aa05725804b7077dbb649edee65df46202/jupyter-book-0.5.2.tar.gz#sha256=ac39477374cf817f98876b86de9f6e1895356f9cf6858061d717f2daaaaf36a0 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.5.2
2020-09-20T19:33:10,281   Found link https://files.pythonhosted.org/packages/75/b1/abfb5092c2f3a1770648c4d0de19b12a7a7856e9461f9c4f995a0ad7126b/jupyter_book-0.5.2-py3-none-any.whl#sha256=0f325b247ba17772c958ddfa1bbe2e0cf29390be655f1abd8edbddfda1bede37 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.5.2
2020-09-20T19:33:10,282   Found link https://files.pythonhosted.org/packages/0e/4d/ef66bb4178956d9089d24120a29c1535bf2eec6e415fd82e477c0dad015c/jupyter-book-0.6.0.tar.gz#sha256=9b59a9476969168fd359bec83e6dab1f4ce037668aa21ce56f999f3323cdc3ce (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.6.0
2020-09-20T19:33:10,285   Found link https://files.pythonhosted.org/packages/db/85/5a21bcb77f6e6d1964839edfec1f5dcf7d426264407bfa32984b23e88dc9/jupyter_book-0.6.0-py3-none-any.whl#sha256=185693a19e8a16e26daac8f7716346c89666284adce0555d2953a73d24636beb (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.6.0
2020-09-20T19:33:10,286   Found link https://files.pythonhosted.org/packages/d5/6f/8ee2635191772a490545e6f7a56ed26a1680813886700299cbfec26de2cc/jupyter-book-0.6.1.tar.gz#sha256=fc3c5010022e30503fe2c99207c7855801de5c1df1efb59359f78ca4ffdb4524 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.6.1
2020-09-20T19:33:10,289   Found link https://files.pythonhosted.org/packages/d6/b6/113e92f315da460edbaeaaeeb509fe70850eaa8783a70da81e38185cf5fb/jupyter_book-0.6.2-py3-none-any.whl#sha256=cd562a7d91de60dd4209500632b4517982866e328011e8512ee3f4c30b533201 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.4), version: 0.6.2
2020-09-20T19:33:10,290   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/3b/be/f1697ddf63d09bd8ec7fd5d33c43d43b91d368b165ca4ddde4a366a61a15/jupyter-book-0.6.3.tar.gz#sha256=1bd3b5ecc1c39a313f8fc786fb62572bfd0a99af2af24ce22aa3f7ecadc10eb9 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,292   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/2c/bf/c544069fc01c2484ed96687ce5d1b9758c85552b2776d264bd40d535c525/jupyter_book-0.6.3-py3-none-any.whl#sha256=96cf386b11da7d774bd304455e512d81d76637af3c76908ec67e0f0e2413b1dd (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,294   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/aa/b4/5f31b01abd1b0289a37955f285e156cf58f71ba37ccc7135330da4e91452/jupyter-book-0.6.4.tar.gz#sha256=23b585be71e4b8ba8fd210e0a6c28d560cc6ecc040b895f2c2ecf5c2089a53ce (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,296   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/57/5f/b401d8b22662f6144cd89ec8f7ac1b7bd4a3b39d6d4acad7ec1d2ce3314c/jupyter_book-0.6.4-py3-none-any.whl#sha256=e9381424882dad7cf95efaee4b57febd428e85908a77b43688fe7ed582dd7845 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,298   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/bb/c1/8374b0d8a51ee06cdf88c20a4773430b191ebe4bf9417948352f564a3500/jupyter-book-0.6.5.tar.gz#sha256=f1511bac904df9d0f3574d87dfc0e4c6ad298bb2bc14068291ebd350426ef1af (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,300   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/ee/3c/f9c40f847a4e0f0d9037493bd038c4dfe246a4cfa54dbcdef0c8d46a8987/jupyter_book-0.6.5-py3-none-any.whl#sha256=865e4c3b15ee900706ef65b5324c8771f37a671818b7ab81c75372ce5efd7acb (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,302   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/b7/80/394c11aa9bb66a400e184877a1eef140382c1c397e579cca43c33583263a/jupyter-book-0.7.0b1.tar.gz#sha256=bcdcfc8993700d5eb57583761bad63c1df168faba04cc742d7a0cc12a5ff9c61 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,304   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/e1/24/644a99f83d32fcd06afca7349960f43403356ee4b3a0e5eb25dcd0cc911c/jupyter_book-0.7.0b1-py3-none-any.whl#sha256=1857a60feea80370698880e7478dec9c262ab139b32f805a7cf1ec23cdb4c9f9 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,305   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/a6/44/253757a1426b12a9e27a256e5734cd151cf00bc51ad4c60a26ae5f4217dd/jupyter-book-0.7.0b2.tar.gz#sha256=1800d5e351d0940b29f1fe3e531bfa9755adb86af569b7a1cc1c86981a14dcb1 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,307   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/1d/3e/c1c0773e5fe21ca38da4783ec65f7375e36ae273722965f08301d1265c99/jupyter_book-0.7.0b2-py3-none-any.whl#sha256=f4f404d55629adaa7b5edad5a0b9547c63946c558b22d5f62d35627e0ed54517 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,309   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/09/4d/667e60a0ce968bd3176aed02efb531c3595c1f058519f773c8aa526dad30/jupyter-book-0.7.0b3.tar.gz#sha256=5ca8c2c6bc81999660519aa0630723a0394bdc06d17a1e29f24220b39a2e8d8c (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,311   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/e6/88/dc38dbd9c3d122af4d6a2d6d9a1741ee85d546eb519d1092ab1094aa7bc4/jupyter_book-0.7.0b3-py3-none-any.whl#sha256=ddfa0f563047055fd87599010a225af7864afd3b127f69d88a24a1f4ed0acca7 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,313   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/da/5f/e5de8334cd6a86578bea691d04c0d9de290b4a4bc985f629d6b43ff625e7/jupyter-book-0.7.0b4.tar.gz#sha256=a7d166cbf17ea4d285d6486bf62b5fa6892ed9fcc7a755492a71e89efbe43d7d (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,315   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/0d/98/8e3658cc2626367ee2e522aea34c18d8bcc7c0b793afa28502b4f505b672/jupyter_book-0.7.0b4-py3-none-any.whl#sha256=bb380c0fa915d06fa65fa2fc3eeae46a4b452fd51324cd2f71f92a674b8d4cec (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,317   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/95/49/91d6d68a830c22fb8eb5e099596ecc86a5db41b40d2fda7a2bbd03271404/jupyter-book-0.7.0.tar.gz#sha256=66a435aaa8cecadaa653b7a95989cd7aebb4bbeb9e6dae7729f839e519ac255b (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,319   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/db/5f/0934c7907b3d0dac7108662072283782eb7e28fc7a3943a4a2094bb65f25/jupyter_book-0.7.0-py3-none-any.whl#sha256=8368f1a0562440270c79b324c6d57dddb252088fa7750134d1c6cd31c60afda9 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,320   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/51/ae/ac240502ad471999bba2441a364d1182e0d28c6b539895efd0a8f3ad1ef4/jupyter-book-0.7.1.tar.gz#sha256=d70b0d2c74f90f6ce9148f1ec8688fe635a2bfe5d24fa1fa1b9a7269e05fb20b (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,322   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/f1/ee/33c747957b0f8d8327045b71e30729386e0ab225c8dc0a716b2945877a43/jupyter_book-0.7.1-py3-none-any.whl#sha256=1d1180ee58c8c3c9f7b071ec29cb414c36f8450120440f1f6cc206b11bfe00f3 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,324   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/01/ba/44f90d940277fe0afd2a51fd48eb73ba51d1f97c5b95bbe55cdc0e0ed8b5/jupyter-book-0.7.2.tar.gz#sha256=2f713ab4eeac56dde5392fc1ec9fac68a1aafcb90bd7af6efd0a9cd923b616f2 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,326   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/82/64/b40b63af9c11fe00e01e1499b201a60ed844e9ccccae90e0e27a53de752a/jupyter_book-0.7.2-py3-none-any.whl#sha256=eae12d2d688d565fdde3d58386eb1eb43baa6908d6cb0b19acc91ee6e27717ab (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
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2020-09-20T19:33:10,330   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/fc/51/7974bbad962243f89b48c5245a5224fc18bf3386d74a067d52e47aea30df/jupyter_book-0.7.3-py3-none-any.whl#sha256=f9126c97620da8b82f95cb0e3080c17d174ad32b1c49032e99af1629a0ef3359 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,331   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/52/53/2a2d34cb6eb54d008238c783b27c9561b7734e1b9f6c0897716f31822a7c/jupyter-book-0.7.4.tar.gz#sha256=f3176f64ee81bcb9fa1f85a21fc31dc0fd7165b37be572761a8071e43ad0287f (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,333   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/a0/bb/462f70ea2a3b7e3dee1240454433abccd601e8f566bf9d472c2168b238f3/jupyter_book-0.7.4-py3-none-any.whl#sha256=ff391c5c2dab3259da114d664cb35fc7fab488e5dfc9f51d9797ecf599b8a2f9 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,335   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/91/0d/089515a16e6a04f68b9598fa3c40b7943db4a534eb88acbedb2c546b5c04/jupyter-book-0.7.5.tar.gz#sha256=92bb13b517568498e5176c62d088ec9430a9059ee6505414ca7663405ceb1686 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,337   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/ea/54/fb00e8ab692d1ddb299f4312446345c5858fd03dd4e2e2789806826bbb80/jupyter_book-0.7.5-py3-none-any.whl#sha256=83790db07b07f84c5229b980f854bc834c667e4f91d91dfdd6cf4997eb27c402 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,339   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/fe/b5/79167f6f60c3df35019fa554be4b5ceb0136ef562697df94d9ee3529b168/jupyter-book-0.8.0.tar.gz#sha256=48d04308c0874181c2a4c6894b6815bda7d647999db3e559179064905c68f783 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,341   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/e6/b6/edc658eb378a8e5257225b83f5b5433c988d3685cdb7b9e5c1a51f2d4c31/jupyter_book-0.8.0-py3-none-any.whl#sha256=f03fc997bccea984c4afa5226b69aa8700f46a923e85ab7c30f4884becad5df9 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,343   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/ca/ab/4c188342fd0c6ca48655572bbde0849826cf283da425657a48a4e6e21360/jupyter-book-0.8.1.tar.gz#sha256=64e7f6c7ce524e08cef47657505bb9da1e492405055bb86cceb225bc47287989 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,344   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/48/c7/84ea6086a77360ab881ea19b6f1dde4c54a864613c4310926269e0e86cf3/jupyter_book-0.8.1-py3-none-any.whl#sha256=854a30976f39159b64dd6000007f7df6e52c1f3b3bd72ce3e2733c5753b925fb (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,346   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/8f/4f/8f56e1920ad7200ab158c6aed935b6cf6da654e2d0e628d84fe0f3d3dca8/jupyter-book-0.8.2.tar.gz#sha256=77da2c5714494d0a1eed494542f1a717a7addbb0dfa30b1f7292f7a4caf0fb0c (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,348   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/83/40/91108ec38dbfd1e291196097436845f80a5f9c3f78b34f92d45d5c4b7428/jupyter_book-0.8.2-py3-none-any.whl#sha256=78454763ef2636163648b6711a7de18d1094c29493c31189ec8aa270f5cefa15 (from https://pypi.org/simple/jupyter-book/) (requires-python:>=3.6)
2020-09-20T19:33:10,349 Fetching project page and analyzing links: https://pypi.ngc.nvidia.com/jupyter-book/
2020-09-20T19:33:10,350 Getting page https://pypi.ngc.nvidia.com/jupyter-book/
2020-09-20T19:33:10,353 Found index url https://pypi.ngc.nvidia.com
2020-09-20T19:33:11,348 Could not fetch URL https://pypi.ngc.nvidia.com/jupyter-book/: 404 Client Error: Not Found for url: https://developer.download.nvidia.com/compute/redist/jupyter-book/ - skipping
2020-09-20T19:33:11,366 Given no hashes to check 2 links for project 'jupyter-book': discarding no candidates
2020-09-20T19:33:11,371 Using version 0.3 (newest of versions: 0.3)
2020-09-20T19:33:11,380 Collecting jupyter-book==0.3
2020-09-20T19:33:11,384   Created temporary directory: /tmp/pip-unpack-khnlo24q
2020-09-20T19:33:12,204   Downloading jupyter_book-0.3-py2.py3-none-any.whl (4.4 MB)
2020-09-20T19:33:13,258   Added jupyter-book==0.3 from https://files.pythonhosted.org/packages/4a/07/8f7c1da9f1c2f38cbefa9daa9e07702135e2bd1af4e7a4b3a8f208b12445/jupyter_book-0.3-py2.py3-none-any.whl#sha256=f769560d8b7e5b7b08d476d3144262b40252ad47b421461ebef3743d3b33afc8 to build tracker '/tmp/pip-req-tracker-v5mg1ric'
2020-09-20T19:33:13,260   Removed jupyter-book==0.3 from https://files.pythonhosted.org/packages/4a/07/8f7c1da9f1c2f38cbefa9daa9e07702135e2bd1af4e7a4b3a8f208b12445/jupyter_book-0.3-py2.py3-none-any.whl#sha256=f769560d8b7e5b7b08d476d3144262b40252ad47b421461ebef3743d3b33afc8 from build tracker '/tmp/pip-req-tracker-v5mg1ric'
2020-09-20T19:33:13,692   Saved /tmp/tmpy25ro7_k/jupyter_book-0.3-py2.py3-none-any.whl
2020-09-20T19:33:13,722 Skipping jupyter-book, due to already being wheel.
2020-09-20T19:33:13,723 Removed build tracker: '/tmp/pip-req-tracker-v5mg1ric'