Exclude tools from linter (#718)

* exclude tools from linter

* Exclude tools from pylint too

old-commit-hash: 6abd80f116

.travis.yml

@@ -10,9 +10,9 @@ script:
   - docker run
       tmppilot /bin/sh -c 'cd /tmp/openpilot/selfdrive/test/ && ./test_fingerprints.py'
   - docker run
-      tmppilot /bin/sh -c 'cd /tmp/openpilot/ && pyflakes $(find . -iname "*.py" | grep -vi "^\./pyextra.*" | grep -vi "^\./panda")'
+      tmppilot /bin/sh -c 'cd /tmp/openpilot/ && pyflakes $(find . -iname "*.py" | grep -vi "^\./pyextra.*" | grep -vi "^\./panda" | grep -vi "^\./tools")'
   - docker run
-      tmppilot /bin/sh -c 'cd /tmp/openpilot/ && pylint $(find . -iname "*.py" | grep -vi "^\./pyextra.*" | grep -vi "^\./panda"); exit $(($? & 3))'
+      tmppilot /bin/sh -c 'cd /tmp/openpilot/ && pylint $(find . -iname "*.py" | grep -vi "^\./pyextra.*" | grep -vi "^\./panda" | grep -vi "^\./tools"); exit $(($? & 3))'
   - docker run tmppilot /bin/sh -c 'cd /tmp/openpilot/ && make -C cereal && python -m unittest discover common'
   - docker run tmppilot /bin/sh -c 'cd /tmp/openpilot/ && make -C cereal && python -m unittest discover selfdrive/can'
   - docker run tmppilot /bin/sh -c 'cd /tmp/openpilot/ && make -C cereal && python -m unittest discover selfdrive/boardd'