Created temporary directory: /tmp/pip-ephem-wheel-cache-gksbgnvm
Created temporary directory: /tmp/pip-req-tracker-zreafmg4
Created requirements tracker '/tmp/pip-req-tracker-zreafmg4'
Created temporary directory: /tmp/pip-wheel-9l45tjdj
Collecting lena==0.2
  1 location(s) to search for versions of lena:
  * https://pypi.org/simple/lena/
  Getting page https://pypi.org/simple/lena/
  Analyzing links from page https://pypi.org/simple/lena/
    Found link https://files.pythonhosted.org/packages/67/1e/c05f598bbb8e21b08a89be928c445a715292f8d9f0cccae40e3826ae5a85/lena-0.1-py2.py3-none-any.whl#sha256=7505167919c751f7b1ef0a25c59ce3b1e3fdd3a2134657eace4f772e93a53188 (from https://pypi.org/simple/lena/) (requires-python:>=2.7), version: 0.1
    Found link https://files.pythonhosted.org/packages/00/be/dc2254b20df29be21bfc7c56770a034f74a7c672a143a7283da84756e772/lena-0.1.tar.gz#sha256=9f2947deed9944f04c99989f56163ddb08cfecea940c79c74fd645689693c811 (from https://pypi.org/simple/lena/) (requires-python:>=2.7), version: 0.1
    Found link https://files.pythonhosted.org/packages/5f/60/a0ab885bc8a88cb2756dcb2f7026621e58e8746ec7c028ed487edeac00d5/lena-0.2-py2.py3-none-any.whl#sha256=78fc3eb8288271329d2eb4e0947c0e8270fb7d15b5828d22047da2d90b91e795 (from https://pypi.org/simple/lena/) (requires-python:>=2.7), version: 0.2
    Found link https://files.pythonhosted.org/packages/97/a7/33bff04040da22d035e4d9bf953bb9e032c50ed304da9273adf22d35938d/lena-0.2.tar.gz#sha256=6d31844b72f5655d6db4374d43699f13716fae52ae6e632bc9a6df1f1f665bd8 (from https://pypi.org/simple/lena/) (requires-python:>=2.7), version: 0.2
  Using version 0.2 (newest of versions: 0.2)
  Created temporary directory: /tmp/pip-unpack-nqm4get6
  Downloading https://files.pythonhosted.org/packages/5f/60/a0ab885bc8a88cb2756dcb2f7026621e58e8746ec7c028ed487edeac00d5/lena-0.2-py2.py3-none-any.whl (92kB)
  Downloading from URL https://files.pythonhosted.org/packages/5f/60/a0ab885bc8a88cb2756dcb2f7026621e58e8746ec7c028ed487edeac00d5/lena-0.2-py2.py3-none-any.whl#sha256=78fc3eb8288271329d2eb4e0947c0e8270fb7d15b5828d22047da2d90b91e795 (from https://pypi.org/simple/lena/) (requires-python:>=2.7)
  Saved /tmp/tmp7of8zgva/lena-0.2-py2.py3-none-any.whl
  Added lena==0.2 from https://files.pythonhosted.org/packages/5f/60/a0ab885bc8a88cb2756dcb2f7026621e58e8746ec7c028ed487edeac00d5/lena-0.2-py2.py3-none-any.whl#sha256=78fc3eb8288271329d2eb4e0947c0e8270fb7d15b5828d22047da2d90b91e795 to build tracker '/tmp/pip-req-tracker-zreafmg4'
  Removed lena==0.2 from https://files.pythonhosted.org/packages/5f/60/a0ab885bc8a88cb2756dcb2f7026621e58e8746ec7c028ed487edeac00d5/lena-0.2-py2.py3-none-any.whl#sha256=78fc3eb8288271329d2eb4e0947c0e8270fb7d15b5828d22047da2d90b91e795 from build tracker '/tmp/pip-req-tracker-zreafmg4'
Skipping lena, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-9l45tjdj/lena
Removed build tracker '/tmp/pip-req-tracker-zreafmg4'