These commands also create an*editable install* of plotly.py

so that you can test your changes iteratively without having to rebuild the plotly.py package explicitly;

for more information please see

[the`pip` documentation on editable installs](https://pip.pypa.io/en/stable/reference/pip_install/#install-editable)

[the`pip` documentation on editable installs](https://pip.pypa.io/en/stable/topics/local-project-installs/#editable-installs)

Please note that the single quotes are needed to escape the`[]` characters.