2020-02-21T20:38:55 Created temporary directory: /tmp/pip-ephem-wheel-cache-en6o44_3
2020-02-21T20:38:55 Created temporary directory: /tmp/pip-req-tracker-epp5ik9i
2020-02-21T20:38:55 Created requirements tracker '/tmp/pip-req-tracker-epp5ik9i'
2020-02-21T20:38:55 Created temporary directory: /tmp/pip-wheel-xqjx5hey
2020-02-21T20:38:55 Collecting prefect==0.9.5
2020-02-21T20:38:55   1 location(s) to search for versions of prefect:
2020-02-21T20:38:55   * https://pypi.org/simple/prefect/
2020-02-21T20:38:55   Getting page https://pypi.org/simple/prefect/
2020-02-21T20:38:55   Analyzing links from page https://pypi.org/simple/prefect/
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/c3/86/6599cd54083875df820e3f980a22788a3e23756d8878f3b0e31a61b74dfe/prefect-0.5.0-py3-none-any.whl#sha256=97e0e3a6f3ce88829c23f59a64d06ee77e2907ad480a6ffb3b7ece52bb737898 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/fe/e7/8308d064f6142a86aeb8ebb0b985d6c5bcbaad4786c0aff05ffb03d10501/prefect-0.5.0.tar.gz#sha256=3bcf015244ebaa6250fb27f755282f9f1569caf73114b5cdc31e861922d986f5 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/ae/da/d584fe21b30f4646a3c2e5dcdf17db6eb70646451d43df1e95085c6811dd/prefect-0.5.1-py3-none-any.whl#sha256=f6da48a8281ff35be1da52afaf1e138b3ac2b11e7136682c75c4f654b4043cd0 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/00/60/80568a8d095e17b983434721302f3961a74f99939ba87516253d529a4ad7/prefect-0.5.1.tar.gz#sha256=e582d535768313234d94641880f2900de6ec12275236ae206ee2ed9431c9193a (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/86/69/97262f5dc17b6b1d7aea12570dc75066b07e3ab215abc2be1f0ea52d665e/prefect-0.5.2-py3-none-any.whl#sha256=60730ca78c5aa9eab0390eae6bcca100e7b630590944d7579c0977c9442abb15 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/bf/b1/9a0dbb5394376013dec2603b83668a2ac6db15e8ee48ed79f90b733a1618/prefect-0.5.2.tar.gz#sha256=44e0565c269a270462d223ba6d06cf477245564c5bac99463f864560956c74e5 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/ec/97/c7d5106135d24c0fa3893a13120b438688ae06c3014f28d12e22da0f2501/prefect-0.5.3-py3-none-any.whl#sha256=009089d29d63444f6b8dbb38403ea9b413e40ae09a1fd7570d082dbd91462404 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/26/34/a9743d45f105b0dda405ad30db5cf85eb09c5de527e188a8b0afae08dd65/prefect-0.5.3.tar.gz#sha256=f2e9ea1fcf7a5fc46dc5548dbc95f7681ddf5581a577f7e9f94abdeec56f4da6 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/20/ec/7f820910bdd15aa3a93c58952bfab011c9749e73fb3d6f67eb383068ccbf/prefect-0.5.4-py3-none-any.whl#sha256=1cb16639495e012f29ac5a99cc361d212e6493c55eb3f76ef23e55893621b330 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.4
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/e7/35/8d03b8dc9647e774c71da3e02ebf1056f53534cfe4e8ba819f488b8fbe52/prefect-0.5.4.tar.gz#sha256=90afd7a71250ece1c404ccd4cd3fb732aca7a1b89fe6515ff80214da5178c73a (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.4
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/ce/dc/31dfc96859307b8b931229b8b4ffccffc6c547ee71aee32df10ceb11997a/prefect-0.5.5-py3-none-any.whl#sha256=08ca424ce7aac1dba1602f8df528a75f1b8ce981c5ca350ff66a670b150076c9 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.5
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/e5/18/0e353af2d24f5f31e7b00e452de2cf63b642c2c95aae6b24270782954af4/prefect-0.5.5.tar.gz#sha256=c39ba97bcc9e681396e19d8eb1b2758f45da61acd4d3d7ab4bf1f50d862825be (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.5.5
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/93/dc/69e7acbeb8e3ed3f8d5b7dcfa5242de4fc726e8d059ce9a4baa66ac1477d/prefect-0.6.0-py3-none-any.whl#sha256=a978f7235cb973ef3e297344907dd81dc27a606891b47cff99bfdfd803d02659 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.6.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/3e/1f/2a860dd21d88d716c9ae7891f90b7b0972ae4afacc2e63ddc6499a7f3009/prefect-0.6.0.tar.gz#sha256=f5c6864eafcbedd6a2df50e813b4a7eeb4e21b491155dba2b02bcfad2c4e5032 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5), version: 0.6.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/60/ea/2e6d43eca83eb1560349a0d8390dc7ca42f2e5e531cc22be279fdf1df37c/prefect-0.6.1-py3-none-any.whl#sha256=be5f64ddc7e69cecc97392f4604e34174d851d1d87a0760e32ec635f4200878c (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/87/f8/62793c479978ea5c0fabd1e7ab37119c575f147b666b3c4a8cf9877264a1/prefect-0.6.1.tar.gz#sha256=aab5b5507b112f3739a3f1d30bd10b09a4df3b69e98cbabf6e71bee267361ea1 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/5f/07/e17f0173bb3f9142fbecef98ab39f72b6a4ebaef0d92805fa9500a696b9d/prefect-0.6.2-py3-none-any.whl#sha256=b4c42b80f89c1f669de1b40f7648f6c6a60b1d87ab6af2767b4273c253ee58bb (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/ef/92/75edcbff104800a7cd1cec1c02a5c596e58f73e4bc4fef7f06f91a93294f/prefect-0.6.2.tar.gz#sha256=1a4f7ba974ba3728a257f778fa6830d58e298e0de4e3ccb5c270215ce01130f4 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/24/cc/c69d7bb626a4bf24b51ea9f63351ca607598c017d4eda05bdf603b82a198/prefect-0.6.3-py3-none-any.whl#sha256=c50e434a7ec8a49ccf55df5e0d63527395d33a6852b47b095f13204cd5b49308 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/0a/17/fd3a5e6d328b0df2869bb26e8d41b1edacb7108b90e8ac03abddca849e5b/prefect-0.6.3.tar.gz#sha256=341b4df1e3dbcda024ee528b6a66d978e7f2911d8ca00081a526225a90acf2a5 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/9d/64/9734074ff5d5de1a2d85669fd83de688dd6851c5c4e95a29c4ef64e5bf40/prefect-0.6.4-py3-none-any.whl#sha256=408650cbddb41bcfe550875bf7ab7133c36899ad76d12ce52b3f22dc8dca5d82 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.4
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/0c/92/99bb8f2ac3889687d8424286bffb22be675f5dbd69406f47bfd464291897/prefect-0.6.4.tar.gz#sha256=0e1ba3912d40c61688a48616c0f45f2e25c5e14e846a4b5c1a2bd07d8b8794ac (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.4
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/b4/0b/bf898735b264180267426df9a488fc04009706b101296146909a12bb89c4/prefect-0.6.5-py3-none-any.whl#sha256=e747db1218fbe13a2c95590eac983f0e6c374ed123656e34b4dbdf1a221bc2c0 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.5
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/15/45/df6b40d4cebd14189370c3bb093a547d18954bfbe1638755beb63c372566/prefect-0.6.5.tar.gz#sha256=15ebc99a3ea7676b31acecc52f6f4644ba0d645012f99db56ec89e20e224dc7b (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.5
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/65/e8/47ebd790b0c398812689faf76af7ad2f70353fe78f4077cfe1a045ccb04b/prefect-0.6.6-py3-none-any.whl#sha256=5ecb09e8cdb89adc7d6497c6fef92d998e94aa113c06f3825f68f03b7528656f (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.6
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/52/52/e29cfae3098ccf35a18b92ca1034dd9f7d27cd3b5ba8a0f014ce3cf88177/prefect-0.6.6.tar.gz#sha256=b82a846461249f1c6327b7ad6046922ecbf864088869625d0910e4ecd043381c (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.6
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/01/70/b3b455f31cd229de01bcbcf6346c8b604586960aded8a84a2d3286430da5/prefect-0.6.7-py3-none-any.whl#sha256=fb48d91356178cc9c9e04d8f3ee35ed9621ba525b522c20e9a0e910659c76ca8 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.7
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/be/2a/af9cdede91e0e66c79f6db374ef5c2b8babc3ae4f435b657ad8d54657d55/prefect-0.6.7.tar.gz#sha256=5c244aff8c54ed14f119a7c9f7ff4b85b7f2e51b0ac0762023c0618e2c1acc6c (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.6.7
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/1a/9c/5521456fbc631cf8b2ed002943c0cb7ef876e1eed993cb9d744cf879069b/prefect-0.7.0-py3-none-any.whl#sha256=7fd95a3538451f5302219fc308446fe617185fd7c787d6e99dac04e5db35ae11 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/c1/b9/61f4a3817f87cdbfe6ba798ed874a6bd851970057d26fe8d0ff444373402/prefect-0.7.0.tar.gz#sha256=1ba0c65ba5fbfc75b3123410580325b19fd28c74179c50437f7fd17b3c9457c3 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/50/09/1460c9ac4ccb79133e46ba50a747e79d0f769cc899cf04983f80e64fc058/prefect-0.7.1-py3-none-any.whl#sha256=d54c3797e5e81d3b567415d4340e0fcb9a90fdb2d2051a6983e708a44516c70b (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/33/55/293d282f595e9dd0187965199d1176cbbdaa6900ede51de52b64ae0193dc/prefect-0.7.1.tar.gz#sha256=5d6f00ff2d2cafa3cb5dbf1c46ebb750c2f24bf41b9a83a37f308dac24dd8d24 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/84/a9/e49fd367db33234122e9dfb9a2b63f47ee2212de5cfd867dbc00d0535c02/prefect-0.7.2-py3-none-any.whl#sha256=f76eef23f1cbaf004752a78347a925564ca50ce2ee6db98f188ff19f94c484aa (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/b0/97/e4f784c6063f32b1e9f7d3d3e98621f7ccb275063808b3bfec6d0f7c95be/prefect-0.7.2.tar.gz#sha256=28bf9098c578f52a2055da4f03e1551c4e42a69f38dc4b32727b7477099baac3 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/6f/a5/6715a5188e977a0af6c11bbc9c5f8684bbb274b7a2d24502389a7604fc1b/prefect-0.7.3-py3-none-any.whl#sha256=3de9f76d3ff6eb05a412cad923a7799068b8e30fec89836cfc30dabac961f095 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/12/d5/aa1cb4c3d6a20bccaf4b24ce8029b32c3bd7d8f35a3b3eac675521eda4b5/prefect-0.7.3.tar.gz#sha256=3fc9f3c24f82a3ea136e86f9542545dd16ef794bfdf6fff63f145f41746d8ce8 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.7.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/3d/22/bd766d8f45d034d2b9d8ef4471a9e95d6733dd2bf7923b4969e464ae2897/prefect-0.8.0-py3-none-any.whl#sha256=1bc5e8c7e94a1ea7d6363afd3c4e5249c6fa0e763c88f07a3f8c9bccd56932b3 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.8.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/a7/ef/e30ba199e820fd9b018c42e25d594aa4b6c2b54d42bb4525c8910c000339/prefect-0.8.0.tar.gz#sha256=dcabe596f825e1bd273f23a15e4ab95113ed21b09540eef2a29453a39e5b4ff8 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.8.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/cc/b6/806df5113925a342dbff2d124b82cf8103c7f9eb094b45e69abd59d0c0bc/prefect-0.8.1-py3-none-any.whl#sha256=abd8a744ca1aa4aafb4d84699a4db4006d75117acf93f7b9ba0f80b924da51da (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.8.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/a7/95/66d2164a31dbf2a2592bbf31be3c59929a52a52676d52900429c5e38cc32/prefect-0.8.1.tar.gz#sha256=fa1a30fb8f4fe16479bbbd53b2b7c3ba9fba2a780b8e2a76d9e0180b3a8c85b5 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.8.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/6d/5d/844d440171be6a5de7d354b193f00a78bdf62673e847bfd82ed0515eb2cf/prefect-0.9.0-py3-none-any.whl#sha256=ea20170160d1bdb885b95123021dec83986245d2b643bfcfd9416561603936b6 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/53/4f/c1ec88f1ea5df7f099b8ece0f8007417ba7d8e53a91ae0dfd83a928a3247/prefect-0.9.0.tar.gz#sha256=e0b880af2c6d3a00754eee51d445bba50edccecd8b6a6f3cd514c9481149ccd2 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.0
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/a6/b2/8c36a8ebf7c3c87cbcb609e7a0a1416b80819744e5c47de398f830ebdbd6/prefect-0.9.1-py3-none-any.whl#sha256=5b99205b456aef3fde1da6ffd46e7c38d3ecbbb3bc5c97a58af38f20034a784b (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/8a/5f/8f1814787fc2bd03b1a50eabcd93d10d46c1fb0a74f3612b6b620c810254/prefect-0.9.1.tar.gz#sha256=0795a003968a666ab9a8552140794a33b263fb410f09e40336c82240a8857378 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.1
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/fb/df/4dcbb5172026ee6682f01b4e983d2a1b0172b24e83061db3c32f60459f24/prefect-0.9.2-py3-none-any.whl#sha256=bc72ce0ba88a95f1c16051bd766014ce16ec1548845a87e23e603c06dd988865 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/a3/4f/a0f571603c7a79c7645cce449d45d909a8b8eb160bea02a7d5bb0d15acf1/prefect-0.9.2.tar.gz#sha256=3a966168454b80fc6673059e2e65e31b2687b91896817ef73ee27830072075ab (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.2
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/20/c0/cf16b619e1868a0607f8abf4c23ed452c538c1b8a63387a26956a3c7d237/prefect-0.9.3-py3-none-any.whl#sha256=e08f4e7a70ac4a475d31e4469e2183f823c4d92462553ec9644f748c7107f06f (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/33/97/ed74cec2de8ea4db9591769537fffa31bfca188bea43ad2d93ca1d18796e/prefect-0.9.3.tar.gz#sha256=a1f0b2e4cdf22f35646f1afdc78146e82d5016c3a72bd6ad0c21d2981afe5ca4 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.3
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/52/74/16de13dc40c3f51a90b8adfe5b139c970bc357c0415e731f949361e0cf96/prefect-0.9.4.tar.gz#sha256=17836acc0ec4ed16b19c67b8776f5103270ab19dbc4537445c475b1e02b6d372 (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.4
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/4d/b0/b9c5c13de59d9e1724dff9ca43a62b22d1d7b40bb0653628db86455e4eaa/prefect-0.9.5-py3-none-any.whl#sha256=df508beac988c969f4165c257af75cc72c92945493b5808d8dc0dfd8d6c8ccfc (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.5
2020-02-21T20:38:56     Found link https://files.pythonhosted.org/packages/53/3f/5b0a0d9a0ac0712c72aeadb6d3752295453ce7d97c1e7d0df920b91bd7a7/prefect-0.9.5.tar.gz#sha256=6694843177b5fb3f1f97b4a9a3f9b787e4f6898f49b915ae89e316febe2322de (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2), version: 0.9.5
2020-02-21T20:38:56   Using version 0.9.5 (newest of versions: 0.9.5)
2020-02-21T20:38:56   Created temporary directory: /tmp/pip-unpack-46pb2lxf
2020-02-21T20:38:57   Downloading https://files.pythonhosted.org/packages/4d/b0/b9c5c13de59d9e1724dff9ca43a62b22d1d7b40bb0653628db86455e4eaa/prefect-0.9.5-py3-none-any.whl (2.3MB)
2020-02-21T20:38:57   Downloading from URL https://files.pythonhosted.org/packages/4d/b0/b9c5c13de59d9e1724dff9ca43a62b22d1d7b40bb0653628db86455e4eaa/prefect-0.9.5-py3-none-any.whl#sha256=df508beac988c969f4165c257af75cc72c92945493b5808d8dc0dfd8d6c8ccfc (from https://pypi.org/simple/prefect/) (requires-python:>=3.5.2)
2020-02-21T20:39:06   Saved /tmp/tmp1gdklbyd/prefect-0.9.5-py3-none-any.whl
2020-02-21T20:39:06   Added prefect==0.9.5 from https://files.pythonhosted.org/packages/4d/b0/b9c5c13de59d9e1724dff9ca43a62b22d1d7b40bb0653628db86455e4eaa/prefect-0.9.5-py3-none-any.whl#sha256=df508beac988c969f4165c257af75cc72c92945493b5808d8dc0dfd8d6c8ccfc to build tracker '/tmp/pip-req-tracker-epp5ik9i'
2020-02-21T20:39:06   Removed prefect==0.9.5 from https://files.pythonhosted.org/packages/4d/b0/b9c5c13de59d9e1724dff9ca43a62b22d1d7b40bb0653628db86455e4eaa/prefect-0.9.5-py3-none-any.whl#sha256=df508beac988c969f4165c257af75cc72c92945493b5808d8dc0dfd8d6c8ccfc from build tracker '/tmp/pip-req-tracker-epp5ik9i'
2020-02-21T20:39:06 Skipping prefect, due to already being wheel.
2020-02-21T20:39:06 Cleaning up...
2020-02-21T20:39:06   Removing source in /tmp/pip-wheel-xqjx5hey/prefect
2020-02-21T20:39:07 Removed build tracker '/tmp/pip-req-tracker-epp5ik9i'