Merge pull request #6 from adafruit/pylint-version-fix

pylint version fix

Author: brennen

.travis.yml

@@ -28,6 +28,7 @@ deploy:
 install:
 - pip install -r requirements.txt
 - pip install pylint circuitpython-build-tools Sphinx sphinx-rtd-theme
+- pip install --force-reinstall pylint==1.9.2
 script:
 - pylint adafruit_am2320.py
 - ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name,bad-whitespace examples/*.py)