diff --git a/skimage/graph/mcp.py b/skimage/graph/mcp.py
index 28843cbf..27b7062f 100644
--- a/skimage/graph/mcp.py
+++ b/skimage/graph/mcp.py
@@ -39,7 +39,9 @@ def route_through_array(array, start, end, fully_connected=True,
 
     Examples
     --------
+    >>> import numpy as np
     >>> from skimage.graph import route_through_array
+    >>>
     >>> image = np.array([[1, 3], [10, 12]])
     >>> image
     array([[ 1,  3],