Enable py::ellipsis on Python 2 (#2360)
* Enable py::ellipsis on Python 2
* Enable py::ellipsis tests on Python 2 and mention `Ellipsis` in the docs
diff --git a/docs/advanced/pycpp/numpy.rst b/docs/advanced/pycpp/numpy.rst
index f194139..3b6a5df 100644
--- a/docs/advanced/pycpp/numpy.rst
+++ b/docs/advanced/pycpp/numpy.rst
@@ -371,6 +371,8 @@
Python 3 provides a convenient ``...`` ellipsis notation that is often used to
slice multidimensional arrays. For instance, the following snippet extracts the
middle dimensions of a tensor with the first and last index set to zero.
+In Python 2, the syntactic sugar ``...`` is not available, but the singleton
+``Ellipsis`` (of type ``ellipsis``) can still be used directly.
.. code-block:: python