(data from pyomo.common.envvar)
pyomo.common.envvar
Absolute path to the user’s Pyomo Configuration Directory.
By default, this is ~/.pyomo on Linux and OSX and %LOCALAPPDATA%/Pyomo on Windows. It can be overridden by setting the PYOMO_CONFIG_DIR environment variable before importing Pyomo.
~/.pyomo
%LOCALAPPDATA%/Pyomo
PYOMO_CONFIG_DIR
str