diff --git a/doc/examples/plot_rag_draw.py b/doc/examples/plot_rag_draw.py
index 61d7e134..9c9d68b0 100644
--- a/doc/examples/plot_rag_draw.py
+++ b/doc/examples/plot_rag_draw.py
@@ -20,7 +20,7 @@ plt.title("RAG with all edges shown in green.")
 plt.imshow(out)
 
 cmap = colors.ListedColormap(['#00ff00', '#ff0000'])
-out = graph.draw_rag(labels, g, img,colormap=cmap, thresh=30, desaturate=True)
+out = graph.draw_rag(labels, g, img, colormap=cmap, thresh=30, desaturate=True)
 plt.figure()
 plt.title("RAG with edge weights less than 30, color "
           "mapped between green and red.")