Update README.md

gobuyun · web-flow · commit 4098ba06a0c1 · 2020-01-02T15:34:04.000+08:00
diff --git a/README.md b/README.md
@@ -89,6 +89,7 @@ To read from the sensor:
 
 ```python
      try:
+          frame = [0]*768
           mlx.getFrame(frame)
      except ValueError:
           continue
