Merge pull request #70 from adafruit/fix-rotaryencoder-example

Remove call to never-defined function

Author: jepler

Diff for: examples/pioasm_rotaryencoder.py

@@ -110,8 +110,6 @@ def value(self):
 
 old_value = None
 while True:
-    gen()  # pylint: disable=undefined-variable
-
     value = encoder.value
     if old_value != value:
         print("Encoder:", value)