Added IPython requirement to extra_requires in setup.py.

1 files changed, 3 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index aee66322..7b992a8a 100644
--- a/setup.py
+++ b/setup.py
@@ -24,5 +24,8 @@ setup(
                 'ptpython = prompt_toolkit.contrib.entry_points.ptpython:run',
                 'ptipython = prompt_toolkit.contrib.entry_points.ptipython:run',
             ]
+        },
+        extras_require = {
+            'ptipython':  ['ipython'] # For ptipython, we need to have IPython
         }
 )