diff --git a/platypush/plugins/gpio/sensor/motion/pwm3901.py b/platypush/plugins/gpio/sensor/motion/pwm3901.py
index 4d62e7ee..fa190fad 100644
--- a/platypush/plugins/gpio/sensor/motion/pwm3901.py
+++ b/platypush/plugins/gpio/sensor/motion/pwm3901.py
@@ -98,7 +98,7 @@ class GpioSensorMotionPwm3901Plugin(GpioSensorPlugin):
             try:
                 x, y = sensor.get_motion()
                 break
-            except RuntimeError as e:
+            except RuntimeError:
                 time.sleep(0.01)
 
         secs = int(time.time())