Install package. See how DepHell looks for Python environment.
$ dephell package install pytestPackage specification the same as for pip requirements file:
$ dephell package install requests[security]>=2.17.0- How DepHell choose Python environment.
- dephell venv create for information about virtual environments management in DepHell.
- dephell deps install to install all project dependencies.
- dephell jail install to install Python CLI tools into isolated virtual environment.