Created temporary directory: /tmp/pip-ephem-wheel-cache-kowaqy3e
Created temporary directory: /tmp/pip-req-tracker-f13yl0f_
Created requirements tracker '/tmp/pip-req-tracker-f13yl0f_'
Created temporary directory: /tmp/pip-wheel-mktbgsn4
Collecting mattflow==1.0.4
  1 location(s) to search for versions of mattflow:
  * https://pypi.org/simple/mattflow/
  Getting page https://pypi.org/simple/mattflow/
  Analyzing links from page https://pypi.org/simple/mattflow/
    Found link https://files.pythonhosted.org/packages/d5/2d/d5c717b2f4b844d41fb2a6f8cedeeda1131a006619ea89cec5fd6db6ad50/mattflow-1.0.3-py3-none-any.whl#sha256=9d82d87ec86e8ad46fc812493e72b62315fa2507c13e39b66ebb3597dc717ec9 (from https://pypi.org/simple/mattflow/), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/22/82/12708887f1bdf17f290364406e0ca980c6174e0317666b3871da51637e34/mattflow-1.0.3.tar.gz#sha256=5cd91cd628acdeebaf09e011deeb072ea476e4fa088d3197c276863d827d3930 (from https://pypi.org/simple/mattflow/), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/10/50/a54fe4c3fc427e5d037c60f6538d2e19deb0b7808b4d102b17cd2e61ccd3/mattflow-1.0.4-py3-none-any.whl#sha256=398d0b4ed112f012901166ae9f84efcafb25cfa2c67a287f0a75e3c00ee6281b (from https://pypi.org/simple/mattflow/), version: 1.0.4
    Found link https://files.pythonhosted.org/packages/61/5c/961f714dbb458d2e0d7eb19d7ed911795a1843c1d612b8655d437385993e/mattflow-1.0.4.tar.gz#sha256=6df312da6f1071c1dea96336d2a44bab6cf1f92a69ed3fed21d57bd927c4987c (from https://pypi.org/simple/mattflow/), version: 1.0.4
  Using version 1.0.4 (newest of versions: 1.0.4)
  Created temporary directory: /tmp/pip-unpack-oye0npnt
  Downloading https://files.pythonhosted.org/packages/10/50/a54fe4c3fc427e5d037c60f6538d2e19deb0b7808b4d102b17cd2e61ccd3/mattflow-1.0.4-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/10/50/a54fe4c3fc427e5d037c60f6538d2e19deb0b7808b4d102b17cd2e61ccd3/mattflow-1.0.4-py3-none-any.whl#sha256=398d0b4ed112f012901166ae9f84efcafb25cfa2c67a287f0a75e3c00ee6281b (from https://pypi.org/simple/mattflow/)
  Saved /tmp/tmpjt_tfd7p/mattflow-1.0.4-py3-none-any.whl
  Added mattflow==1.0.4 from https://files.pythonhosted.org/packages/10/50/a54fe4c3fc427e5d037c60f6538d2e19deb0b7808b4d102b17cd2e61ccd3/mattflow-1.0.4-py3-none-any.whl#sha256=398d0b4ed112f012901166ae9f84efcafb25cfa2c67a287f0a75e3c00ee6281b to build tracker '/tmp/pip-req-tracker-f13yl0f_'
  Removed mattflow==1.0.4 from https://files.pythonhosted.org/packages/10/50/a54fe4c3fc427e5d037c60f6538d2e19deb0b7808b4d102b17cd2e61ccd3/mattflow-1.0.4-py3-none-any.whl#sha256=398d0b4ed112f012901166ae9f84efcafb25cfa2c67a287f0a75e3c00ee6281b from build tracker '/tmp/pip-req-tracker-f13yl0f_'
Skipping mattflow, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-mktbgsn4/mattflow
Removed build tracker '/tmp/pip-req-tracker-f13yl0f_'