From afd76e6bb45e464e1c099953ef944f3621530a5c Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Sat, 23 Mar 2019 12:01:44 +0100
Subject: [PATCH] Fix doc warning

---
 examples/lines_bars_and_markers/stem_plot.py | 6 +++---
 tutorials/introductory/sample_plots.py       | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/examples/lines_bars_and_markers/stem_plot.py b/examples/lines_bars_and_markers/stem_plot.py
index 3ea49c10b787..7f8c78a0adba 100644
--- a/examples/lines_bars_and_markers/stem_plot.py
+++ b/examples/lines_bars_and_markers/stem_plot.py
@@ -12,7 +12,7 @@
 x = np.linspace(0.1, 2 * np.pi, 41)
 y = np.exp(np.sin(x))
 
-plt.stem(x, y)
+plt.stem(x, y, use_line_collection=True)
 plt.show()
 
 #############################################################################
@@ -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
index 28a3c580eda9..39d32250ad0d 100644
--- a/tutorials/introductory/sample_plots.py
+++ b/tutorials/introductory/sample_plots.py
@@ -414,6 +414,7 @@
    :scale: 50
 
    xkcd
+
 """
 
 ###################################################################