Add CodeQL for GitHub code scanning (#1548)

* Create codeql.yml

* Addressing codeql findings

effects/rainbow-mood.py

@@ -1,23 +1,23 @@
-import hyperion, time, colorsys
-
-# Get the parameters
-rotationTime = float(hyperion.args.get('rotation-time', 30.0))
-brightness   = float(hyperion.args.get('brightness', 100))/100.0
-saturation   = float(hyperion.args.get('saturation', 100))/100.0
-reverse      = bool(hyperion.args.get('reverse', False))
-
-# Calculate the sleep time and hue increment
-sleepTime = 0.1
-hueIncrement = sleepTime / rotationTime
-
-# Switch direction if needed
-if reverse:
-	increment = -increment
-
-# Start the write data loop
-hue = 0.0
-while not hyperion.abort():
-	rgb = colorsys.hsv_to_rgb(hue, saturation, brightness)
-	hyperion.setColor(int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2]))
-	hue = (hue + hueIncrement) % 1.0
-	time.sleep(sleepTime)
+import hyperion, time, colorsys
+
+# Get the parameters
+rotationTime = float(hyperion.args.get('rotation-time', 30.0))
+brightness   = float(hyperion.args.get('brightness', 100))/100.0
+saturation   = float(hyperion.args.get('saturation', 100))/100.0
+reverse      = bool(hyperion.args.get('reverse', False))
+
+# Calculate the sleep time and hue increment
+sleepTime = 0.1
+hueIncrement = sleepTime / rotationTime
+
+# Switch direction if needed
+if reverse:
+	hueIncrement = -hueIncrement
+
+# Start the write data loop
+hue = 0.0
+while not hyperion.abort():
+	rgb = colorsys.hsv_to_rgb(hue, saturation, brightness)
+	hyperion.setColor(int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2]))
+	hue = (hue + hueIncrement) % 1.0
+	time.sleep(sleepTime)