Created temporary directory: /tmp/pip-ephem-wheel-cache-5pxf2c1s
Created temporary directory: /tmp/pip-req-tracker-1kwfgtsn
Created requirements tracker '/tmp/pip-req-tracker-1kwfgtsn'
Created temporary directory: /tmp/pip-wheel-m3h8gagh
Collecting Lightflow==1.11.1
  1 location(s) to search for versions of Lightflow:
  * https://pypi.org/simple/lightflow/
  Getting page https://pypi.org/simple/lightflow/
  Analyzing links from page https://pypi.org/simple/lightflow/
    Found link https://files.pythonhosted.org/packages/c0/0c/1521b207b054899a7cd9fb054a6da9b47ce20c3719c4f0c5888cbb04696b/Lightflow-1.7.2-py3-none-any.whl#sha256=fe683c580be983792bc56d6f55ad28277602225d82cec8dc965d97033641442b (from https://pypi.org/simple/lightflow/), version: 1.7.2
    Found link https://files.pythonhosted.org/packages/e2/a0/d5fb785ef5b96f5883cc0aaf77b148a2f476465f63e31465c2be07677a3a/Lightflow-1.7.3-py3-none-any.whl#sha256=b1fd36a96c568fa8fc88f24cae631e256c7a3e5a95db8116baac0ca9ef8a4cd2 (from https://pypi.org/simple/lightflow/), version: 1.7.3
    Found link https://files.pythonhosted.org/packages/7e/8a/4264ce292771b33aef7ab9204ed6de5495d5fd66223f96c6924cd58b26a3/Lightflow-1.8.0-py3-none-any.whl#sha256=807bc069599773e32ed986c3d834f0c588bc071b0d68d6343d4cf19e0294c324 (from https://pypi.org/simple/lightflow/), version: 1.8.0
    Found link https://files.pythonhosted.org/packages/49/67/f0ed23948b56b761d43dbf8b1ed39c0ea3f08ab5bc5bbe8df9672db1e260/Lightflow-1.8.1-py3-none-any.whl#sha256=20c7ac57244ed299d24ffac2949a5bc320a4313d0099a682058ef00c724ef92b (from https://pypi.org/simple/lightflow/), version: 1.8.1
    Found link https://files.pythonhosted.org/packages/c9/0f/86b313e658eb7decdcff3830e82efa5da61ef34c13a0ca8883e4c0edc906/Lightflow-1.8.2-py3-none-any.whl#sha256=f0cd0147faa4b100aaf0af8e25666f947c38c14d70a4a1efc56bfe2f9134ddf2 (from https://pypi.org/simple/lightflow/), version: 1.8.2
    Found link https://files.pythonhosted.org/packages/45/1a/58ee82ab5aa886165c852b9bb2c3e366a5e6525a91f22237bf86dbc055f5/Lightflow-1.8.3-py3-none-any.whl#sha256=7b362d7a32f5914ff1ae138c1fbe811b25f100d028f431eb651fcf8e7c94248e (from https://pypi.org/simple/lightflow/), version: 1.8.3
    Found link https://files.pythonhosted.org/packages/a4/55/367a29cb8a213f0a4ff044f1e96cc31d8e28f8d3b0a586ca1a16cf82ec33/Lightflow-1.8.4-py3-none-any.whl#sha256=f6e4b14a59a30d667b667a6bbf860128ad5a7ec77dcddf9880bb53d044bd2aa1 (from https://pypi.org/simple/lightflow/), version: 1.8.4
    Found link https://files.pythonhosted.org/packages/82/0a/583600a4db80e8c2d007b7aa32856626f96b5928789c24f64f4a785b02c7/Lightflow-1.8.5-py3-none-any.whl#sha256=feb80be961bcd81ed4f0b44d2ac527f15dae247eb0e141d15b5e640b4949ba77 (from https://pypi.org/simple/lightflow/), version: 1.8.5
    Found link https://files.pythonhosted.org/packages/d3/bf/4934c1f5830ff26cf97d389c9c9d9d714fd0ed13c4ef5cb786608d4e05f1/Lightflow-1.8.6-py3-none-any.whl#sha256=984c47ab47d723dfb4a64e43bdf2c09ef8eb71b377b8a8d5085ecba0b49c7f27 (from https://pypi.org/simple/lightflow/), version: 1.8.6
    Found link https://files.pythonhosted.org/packages/76/cf/e1c1def5d9074a9fcd3d93b86073ad887d6e0504bf86c9c219ed469a4f2d/Lightflow-1.8.7-py3-none-any.whl#sha256=072884c78d88c98a8c90d1a6e50096e85bac87dd0e970c1c70af16e1cdd2e6d3 (from https://pypi.org/simple/lightflow/), version: 1.8.7
    Found link https://files.pythonhosted.org/packages/0f/34/8b49aded9d46dad38ac548506c440ee5e275d1e6555f0cb424f483e00e64/Lightflow-1.9.0-py3-none-any.whl#sha256=93d1deae968fbd4459a3309b17ebdcc96d9ae28d0f67ab1d02844cb7a84471a1 (from https://pypi.org/simple/lightflow/), version: 1.9.0
    Found link https://files.pythonhosted.org/packages/54/f8/9fb2991d323e87953f94444da9b41434b0838328821d03ed4f94c3f1b9c8/Lightflow-1.10.0-py3-none-any.whl#sha256=5c2205fb0300cb9e3218a6e25d97e1bf38a6ca999f11566d0be0a7bc1ce55290 (from https://pypi.org/simple/lightflow/), version: 1.10.0
    Found link https://files.pythonhosted.org/packages/a6/66/19981427740c4c41a7dfe5dc05635e6128c31ac583a567eab9d066f36ac8/Lightflow-1.10.1-py3-none-any.whl#sha256=ef7e978ff48f344bfc03851a6e0f1050a8d1488777c3bdcf67294f1a71489454 (from https://pypi.org/simple/lightflow/), version: 1.10.1
    Found link https://files.pythonhosted.org/packages/56/85/9c6f380812379b29ae62403f1e07b4938aed04f089557562d448956a2606/Lightflow-1.10.2-py3-none-any.whl#sha256=16ba8171f0bea8a748c9568279be55c954479ec9e1941f54a6808714a08d6c42 (from https://pypi.org/simple/lightflow/), version: 1.10.2
    Found link https://files.pythonhosted.org/packages/bd/b6/8c4f43bb5fd3f0fcabaf5a9623becddfd3a8b2d63fdca27d399dfa8f4ba1/Lightflow-1.11.0-py3-none-any.whl#sha256=c283469119b33ad3810da1addcf85370ce3d4328482b7f5c8c6fa02333ad312e (from https://pypi.org/simple/lightflow/), version: 1.11.0
    Skipping link https://files.pythonhosted.org/packages/30/83/e5e397340d282b3e8ca300d06c203d85b494b151fae52e45707699cb55bf/Lightflow-1.11.0-py3.7.egg#sha256=22df5b0fde40abfbaf4febdb9af302334d201ea76d964250ce18c80fa2367b25 (from https://pypi.org/simple/lightflow/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/c6/ac/e400606bd3c5490b0e86bef2fbfc238cb0329571ee7c43f52c3ac8719b6d/Lightflow-1.11.1-py3-none-any.whl#sha256=e9e33c18951e82e9eadb91beff5b086f7ddc7200c2a5b5e388031ad9b1cd7d41 (from https://pypi.org/simple/lightflow/), version: 1.11.1
    Found link https://files.pythonhosted.org/packages/d7/42/4daabe82885beaf375c67cb6d92f83c6577c4bbb9ee51b8eecff198c581e/Lightflow-1.11.1.tar.gz#sha256=41223619f85cd22106af51f67f43a10b7df88932ff85bdf009a324e28938314b (from https://pypi.org/simple/lightflow/), version: 1.11.1
  Using version 1.11.1 (newest of versions: 1.11.1)
  Created temporary directory: /tmp/pip-unpack-iw6_1uxq
  Downloading https://files.pythonhosted.org/packages/c6/ac/e400606bd3c5490b0e86bef2fbfc238cb0329571ee7c43f52c3ac8719b6d/Lightflow-1.11.1-py3-none-any.whl (70kB)
  Downloading from URL https://files.pythonhosted.org/packages/c6/ac/e400606bd3c5490b0e86bef2fbfc238cb0329571ee7c43f52c3ac8719b6d/Lightflow-1.11.1-py3-none-any.whl#sha256=e9e33c18951e82e9eadb91beff5b086f7ddc7200c2a5b5e388031ad9b1cd7d41 (from https://pypi.org/simple/lightflow/)
  Saved /tmp/tmptioesso1/Lightflow-1.11.1-py3-none-any.whl
  Added Lightflow==1.11.1 from https://files.pythonhosted.org/packages/c6/ac/e400606bd3c5490b0e86bef2fbfc238cb0329571ee7c43f52c3ac8719b6d/Lightflow-1.11.1-py3-none-any.whl#sha256=e9e33c18951e82e9eadb91beff5b086f7ddc7200c2a5b5e388031ad9b1cd7d41 to build tracker '/tmp/pip-req-tracker-1kwfgtsn'
  Removed Lightflow==1.11.1 from https://files.pythonhosted.org/packages/c6/ac/e400606bd3c5490b0e86bef2fbfc238cb0329571ee7c43f52c3ac8719b6d/Lightflow-1.11.1-py3-none-any.whl#sha256=e9e33c18951e82e9eadb91beff5b086f7ddc7200c2a5b5e388031ad9b1cd7d41 from build tracker '/tmp/pip-req-tracker-1kwfgtsn'
Skipping Lightflow, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-m3h8gagh/Lightflow
Removed build tracker '/tmp/pip-req-tracker-1kwfgtsn'