<!-- Hi there! Thank you for wanting to make Poetry better. Before you submit this; let's make sure of a few things. Please make sure the following boxes are ticked if they are correct. If not, please try and fulfill these first. --> <!-- Checked checkbox should look like this: [x] --> - [x] I have searched the [issues](https://github.com/sdispater/poetry/issues) of this repo and believe that this is not a duplicate. - [x] I have searched the [documentation](https://poetry.eustace.io/docs/) and believe that my question is not covered. ## Feature Request <!-- Now feel free to write your idea for improvement. Thanks again 🙌 ❤️ --> When running `poetry shell` you have no idea your in the virtualenv or not. Please add the virtualenv's name to the $PROMPT or $PS1 variable.