diff --git a/python/gtsam/utils/plot.py b/python/gtsam/utils/plot.py
index 8b34ad2bf..0267da8c3 100644
--- a/python/gtsam/utils/plot.py
+++ b/python/gtsam/utils/plot.py
@@ -398,4 +398,4 @@ def plot_incremental_trajectory(fignum, values, start=0,
     set_axes_equal(fignum)
 
     # Pause for a fixed amount of seconds
-    plt.pause(time_interval)
\ No newline at end of file
+    plt.pause(time_interval)