Fix doc warning

timhoffm · timhoffm · commit 3c25c5616b60 · 2019-03-23T12:56:05.000+01:00
diff --git a/examples/lines_bars_and_markers/stem_plot.py b/examples/lines_bars_and_markers/stem_plot.py
@@ -23,8 +23,8 @@
 # properties are configurable via keyword arguments. For more advanced
 # control adapt the line objects returned by `~.pyplot`.
 
-markerline, stemlines, baseline = plt.stem(x, y, linefmt='grey', markerfmt='D',
-                                           bottom=1.1)
+markerline, stemlines, baseline = plt.stem(
+    x, y, linefmt='grey', markerfmt='D', bottom=1.1, use_line_collection=True)
 markerline.set_markerfacecolor('none')
 plt.show()
 
diff --git a/tutorials/introductory/sample_plots.py b/tutorials/introductory/sample_plots.py
@@ -414,6 +414,7 @@
    :scale: 50
 
    xkcd
+
 """
 
 ###################################################################
