Created temporary directory: /tmp/pip-ephem-wheel-cache-nz7g1yn7
Created temporary directory: /tmp/pip-req-tracker-dyty75pf
Created requirements tracker '/tmp/pip-req-tracker-dyty75pf'
Created temporary directory: /tmp/pip-wheel-051dfiib
Collecting upref==1.0.9
  1 location(s) to search for versions of upref:
  * https://pypi.org/simple/upref/
  Getting page https://pypi.org/simple/upref/
  Analyzing links from page https://pypi.org/simple/upref/
    Found link https://files.pythonhosted.org/packages/b2/b6/23b4299203d201e661ec461015867fede15c288c333cf13f506a1427628f/upref-1.0.0-py3-none-any.whl#sha256=12314d322c6684df6efced53d16f43f722c35bee120bac2a4eb896591b7f0a4c (from https://pypi.org/simple/upref/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/c0/a6/50a02eae9a17deec8e14751dcc70dee452f71ad7e440bac23165912ee56c/upref-1.0.1-py3-none-any.whl#sha256=df2e3860badd46a4cdb8686487fdfffff434e0fe342b027edb2413e69720d527 (from https://pypi.org/simple/upref/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/50/ee/5fbf20ae2e3e154dfb1d84a859cd64c0795cda6c972963e702a8289b1c16/upref-1.0.2-py3-none-any.whl#sha256=987a4840ae88d3c8c13e0c3a42c6d9dd71b68770530a54df8125c8a5b21f3e20 (from https://pypi.org/simple/upref/), version: 1.0.2
    Found link https://files.pythonhosted.org/packages/2a/cf/0ba1dbfda00ee13c054c7b6bf59d7775a9e16610217b315e8bfd1abf84ee/upref-1.0.3-py3-none-any.whl#sha256=11edea62de947b4dc2ae7557bb1768fd1e642539a8a10e1358a47dc34591b116 (from https://pypi.org/simple/upref/), version: 1.0.3
    Found link https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl#sha256=d3b000ec9d0e7ceca8bc8681889ef8e95aac32d7d1ffc57189e3d12f9ffdb32d (from https://pypi.org/simple/upref/), version: 1.0.9
    Found link https://files.pythonhosted.org/packages/e8/d1/62f32548e41adaea9fed2e1cc2e437d34fb5071564a75f8042717236777b/upref-1.0.9.tar.gz#sha256=f8acaba66a499883411a10083b962cc06a7e0c450cf073187a7716da56ca4624 (from https://pypi.org/simple/upref/), version: 1.0.9
  Using version 1.0.9 (newest of versions: 1.0.9)
  Created temporary directory: /tmp/pip-unpack-j7hgvbns
  Downloading https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl (158kB)
  Downloading from URL https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl#sha256=d3b000ec9d0e7ceca8bc8681889ef8e95aac32d7d1ffc57189e3d12f9ffdb32d (from https://pypi.org/simple/upref/)
  Saved /tmp/tmp5fpvxqql/upref-1.0.9-py2.py3-none-any.whl
  Added upref==1.0.9 from https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl#sha256=d3b000ec9d0e7ceca8bc8681889ef8e95aac32d7d1ffc57189e3d12f9ffdb32d to build tracker '/tmp/pip-req-tracker-dyty75pf'
  Removed upref==1.0.9 from https://files.pythonhosted.org/packages/e7/2c/210451e5ead0df388c2f5a1231cc154b9abc6cb97c940a00780d87c5e43f/upref-1.0.9-py2.py3-none-any.whl#sha256=d3b000ec9d0e7ceca8bc8681889ef8e95aac32d7d1ffc57189e3d12f9ffdb32d from build tracker '/tmp/pip-req-tracker-dyty75pf'
Skipping upref, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-051dfiib/upref
Removed build tracker '/tmp/pip-req-tracker-dyty75pf'