add docstring to _SSD1306 power property

Lee Butler · Lee Butler · commit 4a477e81e325 · 2019-06-09T21:19:31.000-04:00
diff --git a/adafruit_ssd1306.py b/adafruit_ssd1306.py
@@ -84,6 +84,7 @@ def __init__(self, buffer, width, height, *, external_vcc, reset):
 
     @property
     def power(self):
+	"""True if the display is currently powered on, otherwise False"""
         return self._power
 
     def init_display(self):
