re-export plotly.express

Author: nicolaskruchten

README.md

@@ -4,7 +4,15 @@ Plotly Express is now part of Plotly.py version 4 and so the `plotly_express` mo
 
 ## Installation
 
-Please follow the [`plotly` Getting Started](https://plot.ly/python/getting-started/) instructions for installation.
+You can just follow the [`plotly` Getting Started](https://plot.ly/python/getting-started/) instructions for installation and get access to `plotly.express` that way. If you have existing code that imports from `plotly_express` explicitly and you don't wish to change it, you can still install the latest version, which just exposes `plotly.express` under the `plotly_express` namespace.
+
+### Via `pip`
+
+Just running `pip install plotly_express` in your terminal should do it!
+
+### Via `conda`
+
+You'll have to install from the `plotly` channel with `conda install -c plotly plotly_express`
 
 ## Getting Help