message: Add pip install pyarrow in Travis CI setup
diff: @@ -19,6 +19,7 @@ matrix:
  - 2.7
  before_install:
  - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
  + - pip install pyarrow==0.11.1
  script:
  - bazel test --show_progress=no -s --verbose_failures --test_output=errors -- //tensorflow_io/...
  - language: python
  @@ -33,6 +34,7 @@ matrix:
  - 3.5
  before_install:
  - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
  + - pip install pyarrow==0.11.1
  script:
  - bazel test --show_progress=no -s --verbose_failures --test_output=errors -- //tensorflow_io/...
  - language: python
  @@ -40,6 +42,7 @@ matrix:
  - 3.6
  before_install:
  - bash -x ${TRAVIS_BUILD_DIR}/.travis/python.configure.sh
  + - pip install pyarrow==0.11.1
  script:
  - bazel test --show_progress=no -s --verbose_failures --test_output=errors -- //tensorflow_io/...
  - language: r
  