pigpio: Fix initialization without pin_contrast (#97)

dbrgn · Apr 2, 2019 · 95fe5da · 95fe5da
1 parent 9c02947
commit 95fe5da
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/RPLCD/pigpio.py b/RPLCD/pigpio.py
@@ -158,7 +158,8 @@ def __init__(self, pi,
             self.backlight_enabled = backlight_enabled
 
         # Set contrast
-        self.contrast = contrast
+        if pin_contrast is not None:
+            self.contrast = contrast
 
     def _init_connection(self):
         # Setup GPIO