diff --git a/.travis.yml b/.travis.yml
index d55364d..2fd9231 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,7 +26,7 @@ install:
   - pip install pylint circuitpython-build-tools Sphinx sphinx-rtd-theme
 
 script:
-  - pylint led_animation.py
+  - pylint led_animation/*.py
   - ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name,bad-whitespace examples/*.py)
   - circuitpython-build-bundles --filename_prefix circuitpython-led_animation --library_location .
   - cd docs && sphinx-build -E -W -b html . _build/html
diff --git a/led_animation/color.py b/led_animation/color.py
index 6f2a605..082fd7c 100644
--- a/led_animation/color.py
+++ b/led_animation/color.py
@@ -1,17 +1,18 @@
-RED = (255, 0, 0)
-YELLOW = (255, 150, 0)
-ORANGE = (255, 40, 0)
-GREEN = (0, 255, 0)
-TEAL = (0, 255, 120)
-CYAN = (0, 255, 255)
-BLUE = (0, 0, 255)
-PURPLE = (180, 0, 255)
-MAGENTA = (255, 0, 20)
-WHITE = (255, 255, 255)
-
-# Sparkle colors:
-GOLD = (255, 222, 30)
-PINK = (242, 90, 255)
-AQUA = (50, 255, 255)
-JADE = (0, 255, 40)
-AMBER = (255, 100, 0)
+"""Color variables made available for import"""
+RED = (255, 0, 0)
+YELLOW = (255, 150, 0)
+ORANGE = (255, 40, 0)
+GREEN = (0, 255, 0)
+TEAL = (0, 255, 120)
+CYAN = (0, 255, 255)
+BLUE = (0, 0, 255)
+PURPLE = (180, 0, 255)
+MAGENTA = (255, 0, 20)
+WHITE = (255, 255, 255)
+
+# Sparkle colors:
+GOLD = (255, 222, 30)
+PINK = (242, 90, 255)
+AQUA = (50, 255, 255)
+JADE = (0, 255, 40)
+AMBER = (255, 100, 0)