* Revert "Pin python-augeas version to avoid error with 1.0.0 (#4422)"
This reverts commit 1c51ae2588.
* make dependency-requirements
* separate certbot and dependency requirements
* fix build.py
* update hashin comment
* simplify release pinning
* separate letsencrypt dependency
* pin hashes in venv
* error out when bad things happen
* use pinned dependencies in tox
* Revert "pin hashes in venv"
This reverts commit 1cd38a9e50.
* use pip_install.sh in venv_common
* quote pip install args
* bump mock version
