Document python.use_system_site_packages option
@@ -154,6 +154,21 @@ the highest supported minor version will be selected.
python:
version: 3.5
+python.use_system_site_packages
+```````````````````````````````
+
+* Default: ``false``
+* Type: Boolean
+
+When true, it gives the virtual environment access to the global site-packages directory.
+Depending of the :ref:`yaml-config:build.image`,
+Read the Docs includes some libraries like scipy, numpy, etc.
+
+.. code-block:: yaml
+
+ python:
+ use_system_site_packages: true
+
.. _yaml__python__setup_py_install:
python.setup_py_install
