diff --git a/docs/examples.rst b/docs/examples.rst
index c05c623..ca8d565 100644
--- a/docs/examples.rst
+++ b/docs/examples.rst
@@ -3,14 +3,14 @@ Simple tests
 
 Ensure your device works with these simple tests.
 
-.. literalinclude:: ../examples/tone_demo.py
-    :caption: examples/tone_demo.py
+.. literalinclude:: ../examples/simpleio_tone_demo.py
+    :caption: examples/simpleio_tone_demo.py
     :linenos:
 
-.. literalinclude:: ../examples/shift_in_out_demo.py
-    :caption: examples/shift_in_out_demo.py
+.. literalinclude:: ../examples/simpleio_shift_in_out_demo.py
+    :caption: examples/simpleio_shift_in_out_demo.py
     :linenos:
 
-.. literalinclude:: ../examples/map_range_demo.py
-    :caption: examples/map_range_demo.py
-    :linenos:
\ No newline at end of file
+.. literalinclude:: ../examples/simpleio_map_range_demo.py
+    :caption: examples/simpleio_map_range_demo.py
+    :linenos:
diff --git a/examples/map_range_demo.py b/examples/simpleio_map_range_demo.py
similarity index 100%
rename from examples/map_range_demo.py
rename to examples/simpleio_map_range_demo.py
diff --git a/examples/shift_in_out_demo.py b/examples/simpleio_shift_in_out_demo.py
similarity index 100%
rename from examples/shift_in_out_demo.py
rename to examples/simpleio_shift_in_out_demo.py
diff --git a/examples/tone_demo.py b/examples/simpleio_tone_demo.py
similarity index 100%
rename from examples/tone_demo.py
rename to examples/simpleio_tone_demo.py
diff --git a/simpleio.py b/simpleio.py
index 6d3007c..8b1c3e8 100644
--- a/simpleio.py
+++ b/simpleio.py
@@ -50,9 +50,11 @@ def tone(pin, frequency, duration=1, length=100):
         length = 350000 // frequency
     try:
         # pin with PWM
+        #pylint: disable=no-member
         with pulseio.PWMOut(pin, frequency=int(frequency), variable_frequency=False) as pwm:
             pwm.duty_cycle = 0x8000
             time.sleep(duration)
+        #pylint: enable=no-member
     except ValueError:
         # pin without PWM
         sample_length = length