title: Using plotly without online plotly account
body: <p>Is it possible to use the plotly library to create charts in python without having an online plotly account? I think the code is opensource <a href="https://github.com/plotly/plotly.py" rel="noreferrer">https://github.com/plotly/plotly.py</a>. I would like to know whether we can use this without an online account.</p>