Standard use case is that you do not need to install this plugin manually, but let Tessif handle it.
Manual Installation
Linux
Install using a console with your virtual environment activated:
Latest Stable Version
$ pip install tessif-calliope-0-6-6post1
Latest Development Version (potentially unstable)
$ pip install --index-url https://test.pypi.org/simple/ --extra-index-url https://pypi.org/simple/ tessif-calliope-0-6-6post1
This installs the TestPyPI version of tessif-calliope-0-6-6post1 while resolving the dependencies on PyPI.