2021-05-17T02:31:32,429 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 Please upgrade your Python as Python 3.5 is no longer maintained.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.
2021-05-17T02:31:33,145 Created temporary directory: /tmp/pip-ephem-wheel-cache-4rhl3zr0
2021-05-17T02:31:33,150 Created temporary directory: /tmp/pip-req-tracker-ui4xin1e
2021-05-17T02:31:33,151 Initialized build tracking at /tmp/pip-req-tracker-ui4xin1e
2021-05-17T02:31:33,152 Created build tracker: /tmp/pip-req-tracker-ui4xin1e
2021-05-17T02:31:33,152 Entered build tracker: /tmp/pip-req-tracker-ui4xin1e
2021-05-17T02:31:33,153 Created temporary directory: /tmp/pip-wheel-lduskxsd
2021-05-17T02:31:33,217 1 location(s) to search for versions of d2l:
2021-05-17T02:31:33,217 * https://pypi.org/simple/d2l/
2021-05-17T02:31:33,218 Fetching project page and analyzing links: https://pypi.org/simple/d2l/
2021-05-17T02:31:33,220 Getting page https://pypi.org/simple/d2l/
2021-05-17T02:31:33,224 Found index url https://pypi.org/simple
2021-05-17T02:31:33,638   Found link https://files.pythonhosted.org/packages/e7/bc/209620f12eab6d734771fb0f8d38bebc69b466e589c2ed863f17932e30d1/d2l-0.8.2.tar.gz#sha256=6bf3de01e39decfdb02e46ceb95278a461f0aedf00f8762b3d7f3acd7f9fea7c (from https://pypi.org/simple/d2l/), version: 0.8.2
2021-05-17T02:31:33,639   Found link https://files.pythonhosted.org/packages/c9/22/ee59276801c25e70d20338451fea89183adcc2effcba275198ebb9eb8480/d2l-0.8.5.tar.gz#sha256=32bfc4f6155723892d7e2fd7dd88182f2df9debecffb6b61b64c6d865c9ee496 (from https://pypi.org/simple/d2l/), version: 0.8.5
2021-05-17T02:31:33,640   Found link https://files.pythonhosted.org/packages/21/f3/8ab3c5178b3c265e86cda43441004147173e204f202c24d1ef9f684e4171/d2l-0.8.6.tar.gz#sha256=4f906122183c46357146e8b02a97eead13809d120004dc8b2b97a7783b0327ce (from https://pypi.org/simple/d2l/), version: 0.8.6
2021-05-17T02:31:33,641   Found link https://files.pythonhosted.org/packages/40/2b/618811a6331dc0cbb5d9731959f0c2b1b63bc1297c24401a3d7076e05624/d2l-0.8.7.tar.gz#sha256=7e921ed7a29b9f5966149a4e55089688c1d5d9a77f93940da292a6017d4799c2 (from https://pypi.org/simple/d2l/), version: 0.8.7
2021-05-17T02:31:33,671   Found link https://files.pythonhosted.org/packages/ed/43/f744768f762f546c6d45d3f66b49172c845e7532d17c245144f9fe01cf81/d2l-0.9.1-py3-none-any.whl#sha256=887af7a2466e4ec5123231bf77bcc7444dec9342cbe29fe225c42c9299a312d6 (from https://pypi.org/simple/d2l/), version: 0.9.1
2021-05-17T02:31:33,672   Found link https://files.pythonhosted.org/packages/ea/65/6c58443557962ac2b94ca9d373ba85919b0931f4faf16f542315746d4b35/d2l-0.9.1.tar.gz#sha256=4bba81b571444db02dc4392d760f93ff4530d9d4cf9d77878df1eb5ef35d846a (from https://pypi.org/simple/d2l/), version: 0.9.1
2021-05-17T02:31:33,674   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/64/5c/951071157d1dbb36e771a2ca38a38fee4d6af4951776ff44f7a2dc3d07f0/d2l-0.9.2-py3-none-any.whl#sha256=5baaf6f8b22a7de5fff90de1238dcec460ef1c0074bf479bd0d400f63ee0c175 (from https://pypi.org/simple/d2l/) (requires-python:>=3.6)
2021-05-17T02:31:33,676   Link requires a different Python (3.5.3 not in: '>=3.6'): https://files.pythonhosted.org/packages/fe/fc/406306344dac7d9a801da003d6586c2da46467652d03c5893d98674d4b4c/d2l-0.9.2.tar.gz#sha256=183f5fd8f8e25b0381199222a00fc41cc64fec5443d9df8f6dca4d85f5aad96a (from https://pypi.org/simple/d2l/) (requires-python:>=3.6)
2021-05-17T02:31:33,678   Found link https://files.pythonhosted.org/packages/21/98/db763bf88ce1686450a25d864c030b28cb3b6a8e89c8e3c82bb7ebc61930/d2l-0.10-py3-none-any.whl#sha256=e9f4c57f1e47e0d9002234aafa80964b75bf757f107153a67302fdde8c20d639 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.10
2021-05-17T02:31:33,680   Found link https://files.pythonhosted.org/packages/6c/00/082c7c76a45b4d29956be2008d71d0737d6d85fe73ea1973a02f5014a997/d2l-0.10.tar.gz#sha256=9fc3d0f5351715e1176ee53897532e55fc3ab38ed62ba5423c9f51695ea07b47 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.10
2021-05-17T02:31:33,681   Found link https://files.pythonhosted.org/packages/3f/0e/3414ebbf1fd3e24c71e9b804ffaa656c8c4b57b3e9a83c930907d6e66842/d2l-0.10.1-py3-none-any.whl#sha256=ebf26bb7e6a5465609b380d2701326dca5026dfd9d95680156e3ae35df6db856 (from https://pypi.org/simple/d2l/), version: 0.10.1
2021-05-17T02:31:33,682   Found link https://files.pythonhosted.org/packages/c9/d3/e9b92d14359953524609ed21f41508cfbba3814313668b125c904c7cc6e2/d2l-0.10.1.tar.gz#sha256=ece3e103d779c121c3963df35032ab4d59f550d0f259284a981396dafc1f45d1 (from https://pypi.org/simple/d2l/), version: 0.10.1
2021-05-17T02:31:33,684   Found link https://files.pythonhosted.org/packages/85/05/5867eb2cb6d1cc16745f13ebcabc54d7530f811bfa86c1935ac9e17830fb/d2l-0.10.2-py3-none-any.whl#sha256=471d011deeb713caf3e2056d94db37a92c112936ca15fc3f5b88033f713dfc8f (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.10.2
2021-05-17T02:31:33,687   Found link https://files.pythonhosted.org/packages/bb/c9/d2dce66e0245a84c4270b11ee0aff8da863e431e50fb09371f6d7e390cf5/d2l-0.10.3-py3-none-any.whl#sha256=2644c640ba5f0b17be86e5245cd83b35c98a5c2317ffa95ec4a345b74c797cab (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.10.3
2021-05-17T02:31:33,689   Found link https://files.pythonhosted.org/packages/68/41/d131aea458d84d5604bd507b38c7aada74a8d3c3aebb37326f49dc74e584/d2l-0.10.3.tar.gz#sha256=8c3e1ccec34ffbbd8ffa42b95ed00b9d55d7973ff131abf3a7492dbfb00e7d3e (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.10.3
2021-05-17T02:31:33,691   Found link https://files.pythonhosted.org/packages/da/f2/cdef2dc848b6112262c9c7655f3302ee82908ed1840aa0332d51f15f17f9/d2l-0.11.0-py3-none-any.whl#sha256=8627400ac36f6a17ec914a98d7b5d542ac056c6473353fd0d96dba618670a56f (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.0
2021-05-17T02:31:33,693   Found link https://files.pythonhosted.org/packages/ba/6c/87c5b20786a20da4e782265fd1dc57b3594f069e6ddb02b5ed7ca9dd36da/d2l-0.11.0.tar.gz#sha256=11441492347233500dfb0fcc55dcf8c4140ea51d19cc2f50d135c0c00402d1b5 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.0
2021-05-17T02:31:33,695   Found link https://files.pythonhosted.org/packages/b3/46/85cae3ecb2eb53771f8ce8107f5efeac148723db6befc67d08f16b5380af/d2l-0.11.1-py3-none-any.whl#sha256=424fb32b5825ab6dafa5e0c25bf77e5dbb8aa678c76fc84c17cbcc0807007639 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.1
2021-05-17T02:31:33,697   Found link https://files.pythonhosted.org/packages/af/1b/91ef9de398cbca7e84a176191648520fcaed962b6d47bcd5953048f4bce8/d2l-0.11.1.tar.gz#sha256=5db091d57ddca5ac3aaf4b29fe67363e6ce61b0c9a89d089c2a14f5fd3cb16c5 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.1
2021-05-17T02:31:33,699   Found link https://files.pythonhosted.org/packages/76/a4/8744a4f55dd50752a503848d605c86ee49728f8311fa3eee6478ff0a6bec/d2l-0.11.2-py3-none-any.whl#sha256=60c978f79f610d29f59df0bfd8f47c81348d6f8e2f0f4daa4da8b1bd32315179 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.2
2021-05-17T02:31:33,701   Found link https://files.pythonhosted.org/packages/45/43/b714d6df0b2f52ec06fccc55b899e8cbef2f52f53e0a844d3137ed12e016/d2l-0.11.2.tar.gz#sha256=9e260a6976ff4cee590521c9d7bdbe53e1d5bc82cb388079934f4ff18498c384 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.2
2021-05-17T02:31:33,703   Found link https://files.pythonhosted.org/packages/22/07/e8e57f2a8ea3c6222a299d4261782dda57e7fa10897db2a86706be05a592/d2l-0.11.3-py3-none-any.whl#sha256=868884c214508a86d6940da0d2da5b9fb139d3a2d27c139999f2d72dc72128e8 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.3
2021-05-17T02:31:33,705   Found link https://files.pythonhosted.org/packages/10/6e/380b08025feb60353be8ee7e7133a0ac83a10ac31c4fac17ede0832e73d0/d2l-0.11.3.tar.gz#sha256=049f4a6ef5082074538a09bd94b3570b025552ba59708b81c087ef061224aece (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.3
2021-05-17T02:31:33,707   Found link https://files.pythonhosted.org/packages/52/da/ef9725c6ef71ed2fe8b2aec86442657057c5f38f5c5efce7efda2dbeb4f2/d2l-0.11.4-py3-none-any.whl#sha256=f207c1d19964ae4731ad6bcb5017ebd2d1d68f2ae6b463a2a9ae46f2734cff9c (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.4
2021-05-17T02:31:33,709   Found link https://files.pythonhosted.org/packages/81/9a/63fb1eb848ee3c91cdaaf18c5e71ddaae357c8f83a0db09f0abd8a63f652/d2l-0.11.4.tar.gz#sha256=f4feaa691daa0bc24101d602382b2c8f411b7199036d873dec765be3b3682436 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.11.4
2021-05-17T02:31:33,711   Found link https://files.pythonhosted.org/packages/55/55/74bb95e0f11b46eabf64105ecbf348734f331f443233cd69359f1161894f/d2l-0.12.0-py3-none-any.whl#sha256=7a2d8c1102389740d3cfcdd2c32ef07f7035156f2fb7fcdf483a79c1442d9ce3 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.12.0
2021-05-17T02:31:33,713   Found link https://files.pythonhosted.org/packages/25/98/740f9fae7c179437bbc5ef55900d7f71238871a80d30add1d60d77036684/d2l-0.12.0.tar.gz#sha256=a761f4255607c4eea48a4673c478bcb888cd49d2a4312f1178c0bdea7a3d78d9 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.12.0
2021-05-17T02:31:33,715   Found link https://files.pythonhosted.org/packages/23/ff/0b3e32a806113813d7a879e04dea41a1dd42e29e35cbbed3b371c29c794e/d2l-0.13.0-py3-none-any.whl#sha256=815909beefaae567f28458e4458ad8a720008aab77068ecfc4b584015ffe2a9b (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.13.0
2021-05-17T02:31:33,717   Found link https://files.pythonhosted.org/packages/83/99/37077ba72afaf2637056623df86b527025785da9bf2b38544f9f161988d4/d2l-0.13.0.tar.gz#sha256=35560d07f810fe59c5e8bfca86cf0c5566d69e554af0ec84a0b4bdc391cc2405 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.13.0
2021-05-17T02:31:33,720   Found link https://files.pythonhosted.org/packages/0b/bb/0345cb5173dd320730d70267ca4ff578bcb307aa6a97f23cb1b85fb107ff/d2l-0.13.1-py3-none-any.whl#sha256=d280215e732d94ce6b1dcd46a8fb04df964d7084a50afd37839a7b9bfce80375 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.13.1
2021-05-17T02:31:33,722   Found link https://files.pythonhosted.org/packages/c9/9f/6ebee68473f1db57f8c0ced0a35fe7c0b823da3afb23fee5aaf18d2df445/d2l-0.13.2-py3-none-any.whl#sha256=50380f158fd9227609e16a76c7bf13fbdb1c09c01d03dcf6db477c5214915c37 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.13.2
2021-05-17T02:31:33,724   Found link https://files.pythonhosted.org/packages/b5/e0/528757ea8ba5512bacebae4d1698667d5660af620f3b4c519bb99ecbbe8f/d2l-0.14.0-py3-none-any.whl#sha256=2369539268cb7f96d859e8d4a713d4f80c6c88f1b6aa9fce2baffa8d03c9a2b1 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.0
2021-05-17T02:31:33,726   Found link https://files.pythonhosted.org/packages/2e/d7/23176ab6442222f24461dc4ea4cca9ac879268c252627c3177817a7d2772/d2l-0.14.1-py3-none-any.whl#sha256=57a6e1b37a3cf4b68ac5b79aea49acc4b0d1b36a1aa38ceea98a67162435451f (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.1
2021-05-17T02:31:33,729   Found link https://files.pythonhosted.org/packages/1c/c6/543e73c98e3da1cbf5566015b11d1ef5adf5977353177623605fab7b9490/d2l-0.14.2-py3-none-any.whl#sha256=477975adb9f06ca4f7fd353a141889ac7ae9d1fc281eb3e3f6aadf58deeb4c70 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.2
2021-05-17T02:31:33,730   Found link https://files.pythonhosted.org/packages/c8/eb/01cd192142accfbee86e691acd5aa76d343e1e99254cfb1344cbb675878d/d2l-0.14.2.tar.gz#sha256=60e8ae4d777f8353ed3dc9956d19ed6b21250d19896036a7c77778a6ea0c0599 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.2
2021-05-17T02:31:33,733   Found link https://files.pythonhosted.org/packages/ba/c1/c39e1c7571effc1738bdd7c846b4a9a8ad7c58f672f05ca4cbd8367eda57/d2l-0.14.3-py3-none-any.whl#sha256=dd6a25d7f97697c94960758d74664f30d499a9e62379f429873dd1d00cd63543 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.3
2021-05-17T02:31:33,734   Found link https://files.pythonhosted.org/packages/64/81/c47c61f8f8c05421ecfe1548a01c3746445cf67a24c26f585422a4ac5c10/d2l-0.14.3.tar.gz#sha256=839bbfeac73a5ef07efa0efff36f3a5131bcba67e5e0c3d885016bdd8ef3706b (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.3
2021-05-17T02:31:33,737   Found link https://files.pythonhosted.org/packages/b4/9b/7fd84dcfa6d4f51f5671ed581e749586beb6a7432804bcf28fde32df4df7/d2l-0.14.4-py3-none-any.whl#sha256=35e155c4d38aebb6876f358a465ae6bfc4e9bfd3461ccc3b1b862ea64ce52840 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.4
2021-05-17T02:31:33,739   Found link https://files.pythonhosted.org/packages/d0/16/865609935af64d4dcdf7675b7ebcf84eea0ca855b63e408a22e51b490ad7/d2l-0.14.4.tar.gz#sha256=b9318518008e19717bbde3a400c2bff9d5a7b748255dc2f344a4bb2a4d8c60d0 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.14.4
2021-05-17T02:31:33,741   Found link https://files.pythonhosted.org/packages/46/4f/d169ebbd3c686b6ade9cba78fa2730ba5583048b901cd3b2cf01b28ea651/d2l-0.15.0-py3-none-any.whl#sha256=703516a4b96a213730ed97919987574901ce67c1e2e0bfc9655679f01d1f82fb (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.15.0
2021-05-17T02:31:33,743   Found link https://files.pythonhosted.org/packages/64/f8/394e0f4396a00a25b7caf4ebbc1dc823022d3bb8cb4e12bcf02a7020aa4c/d2l-0.15.0.tar.gz#sha256=8ff6e8d44341503f798599a9afc4288910d64286f15d445e24c198f1d7b49602 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.15.0
2021-05-17T02:31:33,746   Found link https://files.pythonhosted.org/packages/28/fd/89b6b8fd34b4e2e54fadf5de6e8f63fd96e0c14d2b6c81ba40e9edcd964a/d2l-0.15.1-py3-none-any.whl#sha256=cb8d518a4e63b7bf37ea72bfd9e9c8b3f4de7d452fedcc8920197d806f5cf181 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.15.1
2021-05-17T02:31:33,747   Found link https://files.pythonhosted.org/packages/72/c7/8d2890adfae54d21f41d298457b1bf3ed761442b002e68fe3a2f1a55281b/d2l-0.15.1.tar.gz#sha256=1ca09c9aa077cd0da37ebb16344774d7329fb368c9ae61e516a91c3d4c4578f6 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.15.1
2021-05-17T02:31:33,750   Found link https://files.pythonhosted.org/packages/72/84/35131831bc4c0121d48c7d64a49d2dd6e4891840b7c0c5169bb4eb7ecad2/d2l-0.16.0-py3-none-any.whl#sha256=b1d1f608ac81ee61df62151137cf614f48d88f717c8b5dd986a41775abb2cb4c (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.0
2021-05-17T02:31:33,752   Found link https://files.pythonhosted.org/packages/60/4e/b4a508c72b2449cb895d68020ad96816c5fb422d5d12b1b53030822ef813/d2l-0.16.0.tar.gz#sha256=780132dabb34ffec2ee1900c5dbd105aaf313632d3f6119ac0ee20d1acdf4438 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.0
2021-05-17T02:31:33,754   Found link https://files.pythonhosted.org/packages/30/2b/3515cd6f2898bf95306a5c58b065aeb045fdc25516f2b68b0f8409e320c3/d2l-0.16.1-py3-none-any.whl#sha256=c8efee9ea553dae2e5c952c8081f9f4f7d7c81a6408c555637dc0e1c80787c89 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.1
2021-05-17T02:31:33,756   Found link https://files.pythonhosted.org/packages/13/00/eae5aab0ee50d5bbf6b245342d1ab6ac2408f3233acce847ea0dc86d9657/d2l-0.16.1.tar.gz#sha256=e063a9cd77567f387c069a2e36e1a568ad262a25bdc48c83ff30eebae26c9830 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.1
2021-05-17T02:31:33,758   Found link https://files.pythonhosted.org/packages/d0/1f/13de7e8cafaba15739caee0596032412aaf51a22726649b317bdb53c4f9a/d2l-0.16.2-py3-none-any.whl#sha256=e4ad2cfebc36e57ed3d26d424fb7a19819e453005933a837920ac2d4f60669a8 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.2
2021-05-17T02:31:33,760   Found link https://files.pythonhosted.org/packages/29/d4/3c23d1641622e3f596e4d836a2b128d1292c31880aea32020a11d26f160f/d2l-0.16.2.tar.gz#sha256=cc31586a956529047dc694db369f1a9bb69719132718c647b108b7db258641e6 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.2
2021-05-17T02:31:33,762   Found link https://files.pythonhosted.org/packages/69/62/a53c44bf0d076df002e4ab16f0cfaf5c31c1b158d0ec88db1494dfbfa5af/d2l-0.16.3-py3-none-any.whl#sha256=dcd0a805feea467ad5d80d8341e570ce113b1fa8c63b188b58053dba7c0eec7c (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.3
2021-05-17T02:31:33,764   Found link https://files.pythonhosted.org/packages/a2/aa/fe3626a7be092044103acf5032a5fe47971ead90544c9a4e7fc6d1c62936/d2l-0.16.3.tar.gz#sha256=0404ddb87dc0f7c32ff128d3caec1b4c095d5d8fb25241fa115d0be16b0a2035 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.3
2021-05-17T02:31:33,766   Found link https://files.pythonhosted.org/packages/f4/e9/89f71389acf3cc4231d7e51839a9f093ea0078d93c44988f8ade9f6d44e5/d2l-0.16.4-py3-none-any.whl#sha256=0c234f3806a54c8eb686802196d65b1a88683b7c9ff990137bc1d08121856db4 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.4
2021-05-17T02:31:33,768   Found link https://files.pythonhosted.org/packages/27/ae/125b94c59bc22dca2b12cf96a48c636b64821031b88338b9831d2c6cb4fd/d2l-0.16.4.tar.gz#sha256=f8f86f83f8144b56a1b6ebfb3c6af4eb49454f43ea4c71118f4beb2a5d1fd187 (from https://pypi.org/simple/d2l/) (requires-python:>=3.5), version: 0.16.4
2021-05-17T02:31:33,794 Given no hashes to check 2 links for project 'd2l': discarding no candidates
2021-05-17T02:31:33,833 Collecting d2l==0.16.4
2021-05-17T02:31:33,836   Created temporary directory: /tmp/pip-unpack-251299_9
2021-05-17T02:31:34,098   Downloading d2l-0.16.4-py3-none-any.whl (77 kB)
2021-05-17T02:31:34,136   Added d2l==0.16.4 from https://files.pythonhosted.org/packages/f4/e9/89f71389acf3cc4231d7e51839a9f093ea0078d93c44988f8ade9f6d44e5/d2l-0.16.4-py3-none-any.whl#sha256=0c234f3806a54c8eb686802196d65b1a88683b7c9ff990137bc1d08121856db4 to build tracker '/tmp/pip-req-tracker-ui4xin1e'
2021-05-17T02:31:34,138   Removed d2l==0.16.4 from https://files.pythonhosted.org/packages/f4/e9/89f71389acf3cc4231d7e51839a9f093ea0078d93c44988f8ade9f6d44e5/d2l-0.16.4-py3-none-any.whl#sha256=0c234f3806a54c8eb686802196d65b1a88683b7c9ff990137bc1d08121856db4 from build tracker '/tmp/pip-req-tracker-ui4xin1e'
2021-05-17T02:31:34,156 Created temporary directory: /tmp/pip-unpack-6ss3dy4d
2021-05-17T02:31:34,167 Saved /tmp/tmpcvy0gm_s/d2l-0.16.4-py3-none-any.whl
2021-05-17T02:31:34,168 Removed build tracker: '/tmp/pip-req-tracker-ui4xin1e'