FIX: fix bug added in last bugfix

tacaswell · tacaswell · commit 0bc3c49eb56b · 2015-07-15T23:51:44.000-04:00
diff --git a/lib/matplotlib/legend_handler.py b/lib/matplotlib/legend_handler.py
@@ -306,7 +306,7 @@ def get_sizes(self, legend, orig_handle,
                  xdescent, ydescent, width, height, fontsize):
         if self._sizes is None:
             handle_sizes = orig_handle.get_sizes()
-            if not handle_sizes:
+            if not len(handle_sizes):
                 handle_sizes = [1]
             size_max = max(handle_sizes) * legend.markerscale ** 2
             size_min = min(handle_sizes) * legend.markerscale ** 2
diff --git a/lib/matplotlib/tests/test_legend.py b/lib/matplotlib/tests/test_legend.py
@@ -249,6 +249,17 @@ def test_nanscatter():
 
     ax.legend([h], ["scatter"])
 
+    fig, ax = plt.subplots()
+    for color in ['red', 'green', 'blue']:
+        n = 750
+        x, y = np.random.rand(2, n)
+        scale = 200.0 * np.random.rand(n)
+        ax.scatter(x, y, c=color, s=scale, label=color,
+                   alpha=0.3, edgecolors='none')
+
+    ax.legend()
+    ax.grid(True)
+
 
 if __name__ == '__main__':
     import nose
