Created temporary directory: /tmp/pip-ephem-wheel-cache-_2x7jdw2
Created temporary directory: /tmp/pip-req-tracker-4efs5nl_
Created requirements tracker '/tmp/pip-req-tracker-4efs5nl_'
Created temporary directory: /tmp/pip-wheel-m2ns2fak
Looking in indexes: https://pypi.python.org/simple
Collecting pretty-errors==1.0.1
  1 location(s) to search for versions of pretty-errors:
  * https://pypi.python.org/simple/pretty-errors/
  Getting page https://pypi.python.org/simple/pretty-errors/
  Analyzing links from page https://pypi.org/simple/pretty-errors/
    Found link https://files.pythonhosted.org/packages/15/7d/8c2063905152c16306e5aa6efcade909997ec5399aad9cc36411ec10c80b/pretty_errors-1.0.1-py3-none-any.whl#sha256=d43732bae9ecda8faea7eceaad53bcdf73708f67a744934e7dedaaea17ce6364 (from https://pypi.org/simple/pretty-errors/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/c6/ba/cad219e9bc2d7417a43515652fc1f701db74e6d6a24f22e6c164de95315d/pretty_errors-1.0.1.tar.gz#sha256=4f7db199d1ebb13f125ec0a6e88b9e653191631b2821f6c6330a7e2e730d40ec (from https://pypi.org/simple/pretty-errors/), version: 1.0.1
  Using version 1.0.1 (newest of versions: 1.0.1)
  Created temporary directory: /tmp/pip-unpack-666rrh3m
  Downloading https://files.pythonhosted.org/packages/15/7d/8c2063905152c16306e5aa6efcade909997ec5399aad9cc36411ec10c80b/pretty_errors-1.0.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/15/7d/8c2063905152c16306e5aa6efcade909997ec5399aad9cc36411ec10c80b/pretty_errors-1.0.1-py3-none-any.whl#sha256=d43732bae9ecda8faea7eceaad53bcdf73708f67a744934e7dedaaea17ce6364 (from https://pypi.org/simple/pretty-errors/)
  Saved /tmp/tmpfetubzim/pretty_errors-1.0.1-py3-none-any.whl
  Added pretty-errors==1.0.1 from https://files.pythonhosted.org/packages/15/7d/8c2063905152c16306e5aa6efcade909997ec5399aad9cc36411ec10c80b/pretty_errors-1.0.1-py3-none-any.whl#sha256=d43732bae9ecda8faea7eceaad53bcdf73708f67a744934e7dedaaea17ce6364 to build tracker '/tmp/pip-req-tracker-4efs5nl_'
  Removed pretty-errors==1.0.1 from https://files.pythonhosted.org/packages/15/7d/8c2063905152c16306e5aa6efcade909997ec5399aad9cc36411ec10c80b/pretty_errors-1.0.1-py3-none-any.whl#sha256=d43732bae9ecda8faea7eceaad53bcdf73708f67a744934e7dedaaea17ce6364 from build tracker '/tmp/pip-req-tracker-4efs5nl_'
Skipping pretty-errors, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-m2ns2fak/pretty-errors
Removed build tracker '/tmp/pip-req-tracker-4efs5nl_'