Add missing period.

kmatch98 · kmatch98 · commit 620f04c1b7c2 · 2020-09-09T09:26:03.000-05:00
diff --git a/adafruit_display_shapes/sparkline.py b/adafruit_display_shapes/sparkline.py
@@ -212,6 +212,6 @@ def update(self):
                 last_value = value  # store value for the next iteration
 
     def values(self):
-        """Returns the values displayed on the sparkline"""
+        """Returns the values displayed on the sparkline."""
 
         return self._spark_list
