2021-07-10T10:44:07,689 Created temporary directory: /tmp/pip-ephem-wheel-cache-g0ch8_hi
2021-07-10T10:44:07,692 Created temporary directory: /tmp/pip-req-tracker-04pi1ex0
2021-07-10T10:44:07,692 Initialized build tracking at /tmp/pip-req-tracker-04pi1ex0
2021-07-10T10:44:07,692 Created build tracker: /tmp/pip-req-tracker-04pi1ex0
2021-07-10T10:44:07,692 Entered build tracker: /tmp/pip-req-tracker-04pi1ex0
2021-07-10T10:44:07,693 Created temporary directory: /tmp/pip-wheel-bc6zfmoa
2021-07-10T10:44:07,722 1 location(s) to search for versions of quantities:
2021-07-10T10:44:07,722 * https://pypi.org/simple/quantities/
2021-07-10T10:44:07,723 Fetching project page and analyzing links: https://pypi.org/simple/quantities/
2021-07-10T10:44:07,723 Getting page https://pypi.org/simple/quantities/
2021-07-10T10:44:07,725 Found index url https://pypi.org/simple
2021-07-10T10:44:07,924   Found link https://files.pythonhosted.org/packages/db/37/dce14927ead4c0e5982654b7c2b25560037facbd47be0dfa489be2f7095c/quantities-0.5b5.tar.gz#sha256=77564a8515eeb3c6ecce24913d3f9e20e292d4cd02936e0603880b89174839db (from https://pypi.org/simple/quantities/), version: 0.5b5
2021-07-10T10:44:07,925   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/7f/f7/629be7a1ee581fed03ff7f4e8355a592ee58616ccbe5bdabbebf891b55e6/quantities-0.5b5.win32.exe#sha256=8810ff75cb55aab410e0f7300430719e351dea2623ba7382c23b20c5dbb4418e (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,925   Found link https://files.pythonhosted.org/packages/4d/56/0f617ccde3137b854975cd92ff666dc2101e3f8744f8881ece8301cfe0bd/quantities-0.5b5.zip#sha256=a64e24515ff4b30c58d86398dc12309df09ace94c8ffd26a0eb5e9f8e899c47a (from https://pypi.org/simple/quantities/), version: 0.5b5
2021-07-10T10:44:07,925   Found link https://files.pythonhosted.org/packages/77/49/1990dfb15adc864226775f787fb6dc6c6c60511021cf44251ab9ceee51ba/quantities-0.5.0.tar.gz#sha256=3a9ec2e0accec668f33ee7f56f768086112623b04bbdd92a0490cf98e7aa607a (from https://pypi.org/simple/quantities/), version: 0.5.0
2021-07-10T10:44:07,926   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/1c/f2/296cbac22ac6401618239bbf7a194edca76de620b7f06a36030a2c9b5133/quantities-0.5.0.win32-py2.6.msi#sha256=798f6f80ad36cb60299ce6ec5aa67880ecb1a1eb4127e1deb9565445448fd5ff (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,926   Found link https://files.pythonhosted.org/packages/4f/f9/67ac57338c0d84219c355d1c1b4c3788dbf981a67920983e2121b1799f7b/quantities-0.5.0.zip#sha256=3f6dd7cc0d7b33801d9f8fb6758e2557fc4608d97f07c4fdf1a77efd9166a5e2 (from https://pypi.org/simple/quantities/), version: 0.5.0
2021-07-10T10:44:07,926   Found link https://files.pythonhosted.org/packages/4e/50/dfe211555a0ae12a394355005ff1d63118bc3bfc1d62ad195fe46298d7b4/quantities-0.5.1.tar.gz#sha256=3baa3370b9a63ca3d28e5a4b80b794215e852703c4e641b9446329bc1926c900 (from https://pypi.org/simple/quantities/), version: 0.5.1
2021-07-10T10:44:07,926   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/26/95/25ea216aa3fdbc705f3a4e0e657a6aa4b028ffa588139b98f2b46f1c698a/quantities-0.5.1.win32-py2.6.msi#sha256=6044a06c2cf42342b272418800bd22ce90de615d387fa92b16bd29cec4686b69 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,927   Found link https://files.pythonhosted.org/packages/68/56/ba52f99c504ec934c8e48c6c1e628fce2aa104aab10c4b74a2c120254a99/quantities-0.5.1.zip#sha256=1ec653e2be07af536f2b0a16774353340a863a39f18d4c42a99d0a393ce82f32 (from https://pypi.org/simple/quantities/), version: 0.5.1
2021-07-10T10:44:07,927   Found link https://files.pythonhosted.org/packages/43/36/7c79ada895e9d3b510ff6d61e7630de6163a8bec2cfa6e9023aa62a648f6/quantities-0.5.2.tar.gz#sha256=8df743c92ad18fda890018185f97adb115fddcc88f1112ef1177396ae8909b0f (from https://pypi.org/simple/quantities/), version: 0.5.2
2021-07-10T10:44:07,927   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/94/6a/94db771b977b16dc897ac6f84b0700f5b8f176cd2709a102e8cbcccb1e88/quantities-0.5.2.win32-py2.5.msi#sha256=014c493400f0334c9659500c966e665c282045a1e7be0e27d22445e369230c82 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,927   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/d0/b3/1a9a7754951e7f8eef9579a47d605c1c35592ff0ecdf79fd1dbcd06302ae/quantities-0.5.2.win32-py2.6.msi#sha256=28dc3e26636899dab7846cda085efdbeb46ae58675280ca18a44122f7faaa584 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,928   Found link https://files.pythonhosted.org/packages/f6/82/8feb59ba44491446cbeea39b8ccbdd0f887fab887b23ecb6f574ad966d08/quantities-0.5.2.zip#sha256=1073302025f83b0782ab124d937eba07a544bb412ae6ffa833b16f72b9dd3b62 (from https://pypi.org/simple/quantities/), version: 0.5.2
2021-07-10T10:44:07,928   Found link https://files.pythonhosted.org/packages/55/6b/a29395fd0143b0a2310f90fe975186172a6e88eb4f775b9f3a29067e8cf0/quantities-0.6.0.tar.gz#sha256=a7316829fe77203d2a9171d32edace7e9ec7a864ad902cbe59ec9095ce2c4902 (from https://pypi.org/simple/quantities/), version: 0.6.0
2021-07-10T10:44:07,928   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/cb/99/c5883a0d4e136ac9b9e328a16b86da430a61431e2db2ae0f985fd6c0189b/quantities-0.6.0.win32-py2.5.msi#sha256=3b60878354166c7314614b3b7f6b924cb2f6937e285407c60018549161d11e4e (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,928   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/57/d4/2f881e174eba7abbcb48eb9e28961af5b11d4239d145eb1a2b9bcc0a2534/quantities-0.6.0.win32-py2.6.msi#sha256=48c5cc3319ef0c645a6a221889b4d45f28212ecfa239517ec2aaaadf56d5f565 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,929   Found link https://files.pythonhosted.org/packages/3a/34/c760c72a4eedd36a666a9c97979c2ed119c2a7dc3588059f0c8d76e1a3ea/quantities-0.6.0.zip#sha256=a23baca98e1404e2459e1131bd469fed01d6940c82958d0ceb6428a6694a2a9d (from https://pypi.org/simple/quantities/), version: 0.6.0
2021-07-10T10:44:07,929   Found link https://files.pythonhosted.org/packages/c1/e2/e33bc74804d6d4e3b3c244d97e22d9223fd6c78def45c9df7144a5129daa/quantities-0.7.0.tar.gz#sha256=902de04b70b1693eee918198e05dab6fbece17cfff0e3255cd1c093c208d66d7 (from https://pypi.org/simple/quantities/), version: 0.7.0
2021-07-10T10:44:07,929   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/ef/b2/2f71ca1f54ba5025c22e4b83acbc8e91792cd8f99a223274be94e6b6ef5a/quantities-0.7.0.win-amd64-py2.6.msi#sha256=5d76fa2a2515dcabf4833a9bea7158dfeb22d2c4d8e7d382c730595a62916ba8 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,929   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/1a/6c/a914d8962898367621d3b5be7702b27dd8a2582d8c7e03631bf46482dcb6/quantities-0.7.0.win32-py2.5.msi#sha256=e52040bcfe751a72336252de0af00d16b65a643f1234b1080dfcc260e05420d5 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,929   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/32/f8/1bb84ac84dcba5282fb350829b725f357ec1860f835cbd2c7f50d48552c1/quantities-0.7.0.win32-py2.6.msi#sha256=2fbd7fcfcfab833ff183a8217416d3734591badca792b41691762f00a14cf055 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,930   Found link https://files.pythonhosted.org/packages/ac/35/e10baef4ef0761e5b739738f0bee80935390020ca80447f9dd9d0f02f6a6/quantities-0.7.0.zip#sha256=f0e774712102b6a0f92617d41ceb78875b74c1b7ed63d1ce63fc5738c47e5f84 (from https://pypi.org/simple/quantities/), version: 0.7.0
2021-07-10T10:44:07,930   Found link https://files.pythonhosted.org/packages/bc/16/3fb3e0a16c30b16ae0341ab28d6694dfb2cba18b2066f76446df8e37d7ba/quantities-0.8.0.tar.gz#sha256=172eaef7ac17c06a7c7df7fd9e6693ac96ac74d6ba3bfea713ecebac91da2acc (from https://pypi.org/simple/quantities/), version: 0.8.0
2021-07-10T10:44:07,930   Found link https://files.pythonhosted.org/packages/24/33/314c469a5d7e4ecaef671a7a18f2ac969bb19fd071c81a2a73d47d51604c/quantities-0.8.0.zip#sha256=addf87e9c0a230f4a7b374d9dd9bbc516cea7c6c812342fc1879bf91a2b8f545 (from https://pypi.org/simple/quantities/), version: 0.8.0
2021-07-10T10:44:07,930   Found link https://files.pythonhosted.org/packages/03/46/fde1a1e1198784c6d4bea784faae4fd0bb29da1d5ccc4d6ba0451d1bdd85/quantities-0.9.0.tar.gz#sha256=0bbe1933379422f8dc34f27f642c9dad88c99c7f101016f0d9862665b284c4a2 (from https://pypi.org/simple/quantities/), version: 0.9.0
2021-07-10T10:44:07,931   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/a2/42/11cf8d22ceaba48736862ec6374196b2a0dfa4fdb73d6242c31ea02ba9e0/quantities-0.9.0.win-amd64-py2.6.msi#sha256=7d68a094f8a7fa3abbdeb1a83e1d197784f442a966a9a699ed8aa9404aae2584 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,931   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/20/9c/b4c8ba528c38a8c5937747da0701ab15250cc358496bea09b1a9bf659f12/quantities-0.9.0.win-amd64-py2.7.msi#sha256=ab03d96d479eebaceba909da647ecf5b6abcbba87959a66b7a514918f90f17aa (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,931   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/6d/9a/a5896977d885afcde113d23210413a3c2914f03d4377c9960ed916390721/quantities-0.9.0.win-amd64-py3.1.msi#sha256=46db88f1f7548923ac0a168f9012c27f956a62a13cf6f9d792bc7b2b50c619cd (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,931   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/05/da/4cb7dd01b6523ee6d45e38aa4efc79d1a9fa49e67db719bbc561c0673206/quantities-0.9.0.win32-py2.6.msi#sha256=26863124391d9c166accaf412a1d327fdd155763c0dcf3ecf7219e3df0657dfe (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,932   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/87/b0/1c419cf62e933b7da7ad2811f9f3da700f996bd33cac20f202ae27e84d9d/quantities-0.9.0.win32-py2.7.msi#sha256=9617a0d2be81d574549d7978b6854ede992ffb86e040e4d048316d182d6a8002 (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,932   Skipping link: unsupported archive format: .msi: https://files.pythonhosted.org/packages/7d/c6/98e400bb17f7df5d41f90da7d8a62c8681c87351b8940196bb359df02a61/quantities-0.9.0.win32-py3.1.msi#sha256=90a228763d9a6b53c274cb3d92928174f49ee7de7a180e8c5c46fe5cb7b21dfb (from https://pypi.org/simple/quantities/)
2021-07-10T10:44:07,932   Found link https://files.pythonhosted.org/packages/12/3e/86e7930b3261f3a18bdffae9fda60a84ccaaa3f1fa97c758e2ed2bad50fe/quantities-0.9.0.zip#sha256=66e9b0bd4030d8c54bdf69721a881ce3de4d2c5e592a4c431f5595a7f23b31cc (from https://pypi.org/simple/quantities/), version: 0.9.0
2021-07-10T10:44:07,932   Found link https://files.pythonhosted.org/packages/57/b0/be2407829e6ca57964fee700de301512781c307846a184ce653d2899e8fa/quantities-0.10.0.tar.gz#sha256=b1e614b987d2a06de492181413a6ef58d0318820972883ad2507894f9b8fd2ac (from https://pypi.org/simple/quantities/), version: 0.10.0
2021-07-10T10:44:07,933   Found link https://files.pythonhosted.org/packages/2b/22/b6e22fc9002f22d4273e52c2f6a301326e3d2ebbdb6e157cc4d75d58cef4/quantities-0.10.0.zip#sha256=4608aa11190214b3b8824dee963a16174f84b4cf91ff0e98e4ed8f65e87b9fea (from https://pypi.org/simple/quantities/), version: 0.10.0
2021-07-10T10:44:07,933   Found link https://files.pythonhosted.org/packages/04/9f/3edadd9f77d7936cc9740857bd27bc0ef5cff313c1b1fe14017763009d18/quantities-0.10.1.tar.gz#sha256=2d27caf31a5e0c37130ac0c14bfa8f9412a5ff1fbf3378a1d6085594776c4315 (from https://pypi.org/simple/quantities/), version: 0.10.1
2021-07-10T10:44:07,933   Found link https://files.pythonhosted.org/packages/0e/93/9096e61cd6b70452df2b6cde0bf61307739201336fcc6db1321ba2ad3c99/quantities-0.10.1.zip#sha256=2d3a29cbdd5f39b9eace6c25a5dde4411229b487ce98001609d3619079af603b (from https://pypi.org/simple/quantities/), version: 0.10.1
2021-07-10T10:44:07,933   Found link https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad (from https://pypi.org/simple/quantities/), version: 0.11.0
2021-07-10T10:44:07,934   Found link https://files.pythonhosted.org/packages/e4/73/23dbd5482d16e6e7bac98e3998c22cbcbecf92dda447bfe1b9ea4ae1509a/quantities-0.11.1.zip#sha256=4382098a501b55bf0fdb3dba2061a161041253697d78811ecfd7c55449836660 (from https://pypi.org/simple/quantities/), version: 0.11.1
2021-07-10T10:44:07,934   Found link https://files.pythonhosted.org/packages/12/c9/225f405e0a5a94489b7023d5466832f8cc651f0dd0176395cc43305e63df/quantities-0.12.0.tar.gz#sha256=19817b69b5aaf45b96800e21f089f76850667f7a83692bdd911124cff7545290 (from https://pypi.org/simple/quantities/), version: 0.12.0
2021-07-10T10:44:07,934   Found link https://files.pythonhosted.org/packages/8a/cb/414802e1ae91aadb0b49474131051f7d61ee3d0b34ed9535fc35cd097634/quantities-0.12.1.tar.gz#sha256=0a03e8511db603c57ca80dee851c43f08d0457f4d592bcac2e154570756cb934 (from https://pypi.org/simple/quantities/), version: 0.12.1
2021-07-10T10:44:07,935   Found link https://files.pythonhosted.org/packages/7e/dd/58ef3546e4894dbe4cefcfe390301f581085a6e283c95a6aea0aa02c5f7b/quantities-0.12.2.tar.gz#sha256=92e8397938516483f4fd1855097ec11953ab10dd0bf3293954559226679f76f0 (from https://pypi.org/simple/quantities/), version: 0.12.2
2021-07-10T10:44:07,935   Found link https://files.pythonhosted.org/packages/89/44/a875b723f70935b022d6b7a02c12a020e3b1777aa7bfc6fc243a908bc650/quantities-0.12.3.tar.gz#sha256=582f3c7aeba897846761e966615e01202a5e5d06add304492931b05085d19883 (from https://pypi.org/simple/quantities/), version: 0.12.3
2021-07-10T10:44:07,935   Found link https://files.pythonhosted.org/packages/2b/4f/2e8ce7d6c16fb07c43036f8539962322b2bf241e7397e87f318a1aa2f7c4/quantities-0.12.4.tar.gz#sha256=a33d636d1870c9e1127631185d89b0105a49f827d6aacd44ad9d8f151f331d8b (from https://pypi.org/simple/quantities/), version: 0.12.4
2021-07-10T10:44:07,935 Skipping link: not a file: https://pypi.org/simple/quantities/
2021-07-10T10:44:07,957 Given no hashes to check 1 links for project 'quantities': discarding no candidates
2021-07-10T10:44:07,976 Collecting quantities==0.11.0
2021-07-10T10:44:07,977   Created temporary directory: /tmp/pip-unpack-603ris97
2021-07-10T10:44:08,284   Downloading quantities-0.11.0.zip (105 kB)
2021-07-10T10:44:08,458   Added quantities==0.11.0 from https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad to build tracker '/tmp/pip-req-tracker-04pi1ex0'
2021-07-10T10:44:08,459     Running setup.py (path:/tmp/pip-wheel-bc6zfmoa/quantities_cf939ae8307243aba530db3ef6316a15/setup.py) egg_info for package quantities
2021-07-10T10:44:08,460     Created temporary directory: /tmp/pip-pip-egg-info-c40dd4x9
2021-07-10T10:44:08,460     Running command python setup.py egg_info
2021-07-10T10:44:09,307     running egg_info
2021-07-10T10:44:09,309     creating /tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info
2021-07-10T10:44:09,310     writing /tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/PKG-INFO
2021-07-10T10:44:09,312     writing dependency_links to /tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/dependency_links.txt
2021-07-10T10:44:09,314     writing top-level names to /tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/top_level.txt
2021-07-10T10:44:09,315     writing manifest file '/tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/SOURCES.txt'
2021-07-10T10:44:09,325     reading manifest file '/tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/SOURCES.txt'
2021-07-10T10:44:09,330     writing manifest file '/tmp/pip-pip-egg-info-c40dd4x9/quantities.egg-info/SOURCES.txt'
2021-07-10T10:44:09,390   WARNING: Requested quantities==0.11.0 from https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad, but installing version 0+unknown
2021-07-10T10:44:09,391   Removed quantities==0.11.0 from https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad from build tracker '/tmp/pip-req-tracker-04pi1ex0'
2021-07-10T10:44:09,393 WARNING: Discarding https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad (from https://pypi.org/simple/quantities/). Requested quantities==0.11.0 from https://files.pythonhosted.org/packages/08/f1/8af0d53a459ed6c9b6cc8345c60101616186241e7222dca6df26c78d06c5/quantities-0.11.0.zip#sha256=fbe6dc521e54dbb4005e03700d1fabf37e08e0880314555e23e48ce92697fbad has inconsistent version: filename has '0.11.0', but metadata has '0+unknown'
2021-07-10T10:44:09,395 ERROR: Could not find a version that satisfies the requirement quantities==0.11.0 (from versions: 0.5b5, 0.5.0, 0.5.1, 0.5.2, 0.6.0, 0.7.0, 0.8.0, 0.9.0, 0.10.0, 0.10.1, 0.11.0, 0.11.1, 0.12.0, 0.12.1, 0.12.2, 0.12.3, 0.12.4)
2021-07-10T10:44:09,395 ERROR: No matching distribution found for quantities==0.11.0
2021-07-10T10:44:09,395 Exception information:
2021-07-10T10:44:09,395 Traceback (most recent call last):
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-10T10:44:09,395     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-07-10T10:44:09,395     raise RequirementsConflicted(criterion)
2021-07-10T10:44:09,395 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('quantities==0.11.0')
2021-07-10T10:44:09,395 
2021-07-10T10:44:09,395 During handling of the above exception, another exception occurred:
2021-07-10T10:44:09,395 
2021-07-10T10:44:09,395 Traceback (most recent call last):
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-07-10T10:44:09,395     result = self._result = resolver.resolve(
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-10T10:44:09,395     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-07-10T10:44:09,395     raise ResolutionImpossible(e.criterion.information)
2021-07-10T10:44:09,395 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('quantities==0.11.0'), parent=None)]
2021-07-10T10:44:09,395 
2021-07-10T10:44:09,395 The above exception was the direct cause of the following exception:
2021-07-10T10:44:09,395 
2021-07-10T10:44:09,395 Traceback (most recent call last):
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-10T10:44:09,395     status = self.run(options, args)
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-10T10:44:09,395     return func(self, options, args)
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 142, in run
2021-07-10T10:44:09,395     requirement_set = resolver.resolve(
2021-07-10T10:44:09,395   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-07-10T10:44:09,395     raise error from e
2021-07-10T10:44:09,395 pip._internal.exceptions.DistributionNotFound: No matching distribution found for quantities==0.11.0
2021-07-10T10:44:09,400 Removed build tracker: '/tmp/pip-req-tracker-04pi1ex0'