Fix grayscale specification in demo

efiring · efiring · commit a1649d9a4c22 · 2007-07-02T06:58:25.000Z
svn path=/trunk/matplotlib/; revision=3444
diff --git a/examples/integral_demo.py b/examples/integral_demo.py
@@ -18,7 +18,7 @@ def func(x):
 ix = arange(a, b, 0.01)
 iy = func(ix)
 verts = [(a,0)] + zip(ix,iy) + [(b,0)]
-poly = Polygon(verts, facecolor=0.8, edgecolor='k')
+poly = Polygon(verts, facecolor='0.8', edgecolor='k')
 ax.add_patch(poly)
 
 text(0.5 * (a + b), 30,
