diff --git a/.gitignore b/.gitignore
index 1bd4352c..925e5886 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,4 @@ doc/source/auto_examples/images/plot_*.png
 doc/source/auto_examples/images/thumb
 doc/source/auto_examples/applications/
 doc/source/_static/random.js
-
+.idea/
diff --git a/skimage/rank/__init__.py b/skimage/rank/__init__.py
new file mode 100644
index 00000000..bcc43cdc
--- /dev/null
+++ b/skimage/rank/__init__.py
@@ -0,0 +1 @@
+from .rank import *