diff --git a/gfxlcd/demos/nju.py b/gfxlcd/demos/nju.py
index cc2c3ff..dfbfafc 100644
--- a/gfxlcd/demos/nju.py
+++ b/gfxlcd/demos/nju.py
@@ -1,4 +1,5 @@
 import random
+import sys
 sys.path.append("../../")
 from gfxlcd.driver.nju6450.gpio import GPIO
 from gfxlcd.driver.nju6450.nju6450 import NJU6450
diff --git a/gfxlcd/demos/ssd.py b/gfxlcd/demos/ssd.py
index a0ca52b..7b666cd 100644
--- a/gfxlcd/demos/ssd.py
+++ b/gfxlcd/demos/ssd.py
@@ -1,4 +1,5 @@
-import random
+import randomimport sys
+
 sys.path.append("../../")
 from gfxlcd.driver.ssd1306.spi import SPI
 from gfxlcd.driver.ssd1306.ssd1306 import SSD1306