I need to add a directory to my PYTHONPATH variable based on directions from a project that state the following: Modify your ~/.bashrc file by adding the following line export PYTHONPATH=$PYTHONPATH:YourFolder/Dir-Folder/ What would YourFolder be in this case if I am using a mac and Dir-Folder is under Mac-HD/Users/username/Dir-Folder? When I'm in terminal and I run python then run print(sys.path), Dir-Folder doesn't show up. I currently have it set as: export PYTHONPATH=$PYTHONPATH:~/Dir-Folder/ Continue reading...