Travis pytype bug fix

PiperOrigin-RevId: 353263304
Change-Id: Ic4d40ba1aa60eb1c4433cc36e0fdb22af561efdf

Author: dbieber

.travis.yml

@@ -19,8 +19,7 @@ script:
   - pip install ipython
   - python -m pytest  # Now run the tests with IPython.
   - pylint fire --ignore=test_components_py3.py,parser_fuzz_test.py,console
-  - if [[ $TRAVIS_PYTHON_VERSION == 2.7 || \
-          $TRAVIS_PYTHON_VERSION == 3.7 ]]; then
+  - if [[ $TRAVIS_PYTHON_VERSION == 2.7 || $TRAVIS_PYTHON_VERSION == 3.7 ]]; then
       pip install pytype;
     fi
   # Run type-checking, excluding files that define or use py3 features in py2.