Read the Docs build information
Build id: 279991
Project: ez-systems-developer-documentation
Version: 1.13
Commit: 1225c66e8285680c9c882abfb672b3944cb61101
Date: 2020-01-24T07:11:33.387849Z
State: finished
Success: False


[rtd-command-info] start-time: 2020-01-24T07:11:35.794984Z, end-time: 2020-01-24T07:11:36.103206Z, duration: 0, exit-code: 0
git remote set-url origin https://github.com/ezsystems/developer-documentation.git


[rtd-command-info] start-time: 2020-01-24T07:11:36.204929Z, end-time: 2020-01-24T07:11:37.910286Z, duration: 1, exit-code: 0
git fetch origin --force --tags --prune --prune-tags --depth 50


[rtd-command-info] start-time: 2020-01-24T07:11:38.138770Z, end-time: 2020-01-24T07:11:38.447750Z, duration: 0, exit-code: 0
git checkout --force origin/1.13
HEAD is now at 1225c66 Adding link to Security policy (#926)

[rtd-command-info] start-time: 2020-01-24T07:11:38.544595Z, end-time: 2020-01-24T07:11:38.851509Z, duration: 0, exit-code: 0
git clean -d -f -f


[rtd-command-info] start-time: 2020-01-24T07:11:40.207459Z, end-time: 2020-01-24T07:11:43.080477Z, duration: 2, exit-code: 0
python2.7 -mvirtualenv --no-site-packages --no-download 
New python executable in /home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/bin/python2.7
Not overwriting existing python script /home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/bin/python (you must use /home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/bin/python2.7)
Installing setuptools, pip, wheel...
done.

[rtd-command-info] start-time: 2020-01-24T07:11:43.197622Z, end-time: 2020-01-24T07:11:43.684560Z, duration: 0, exit-code: 1
python -m pip install --upgrade --cache-dir /home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/.cache/pip pip
Traceback (most recent call last):
  File "/home/docs/.pyenv/versions/2.7.16/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/home/docs/.pyenv/versions/2.7.16/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/__main__.py", line 16, in <module>
    from pip._internal import main as _main  # isort:skip # noqa
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/__init__.py", line 40, in <module>
    from pip._internal.cli.autocompletion import autocomplete
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/cli/autocompletion.py", line 8, in <module>
    from pip._internal.cli.main_parser import create_main_parser
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/cli/main_parser.py", line 12, in <module>
    from pip._internal.commands import (
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/commands/__init__.py", line 6, in <module>
    from pip._internal.commands.completion import CompletionCommand
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/commands/completion.py", line 6, in <module>
    from pip._internal.cli.base_command import Command
  File "/home/docs/checkouts/readthedocs.org/user_builds/ez-systems-developer-documentation/envs/1.13/lib/python2.7/site-packages/pip/_internal/cli/base_command.py", line 25, in <module>
    from pip._internal.index import PackageFinder
ImportError: cannot import name PackageFinder