Add bad python to test

Author: npentrel

docs/tutorials/projects/make-a-plant-watering-robot.md

@@ -560,7 +560,7 @@ And you can add your system logic to run continuously like this:
 while True:
 
     # Get the moisture sensor's readings
-    readings = await sensor.get_readings()
+    readings=await sensor.get_readings()
     soil_moisture = readings.get('moisture')
 
     # Calculate average moisture reading from the list of readings, to account