Fix URL for MPI4Py project
@@ -72,7 +72,7 @@ There are a couple of older projects that often get mentioned
* Pyro_: Remote objects / RPC
.. _Luigi: https://luigi.readthedocs.io/en/latest/
-.. _MPI4Py: http://pythonhosted.org/mpi4py/
+.. _MPI4Py: http://mpi4py.readthedocs.io/en/stable/
.. _PyZMQ: https://github.com/zeromq/pyzmq
.. _Celery: http://www.celeryproject.org/
.. _`IPython Parallel`: https://ipyparallel.readthedocs.io/en/latest/
