message: Fix Travis CI script.
  Updated it to current develop version.
diff: @@ -19,9 +19,9 @@ env:
  matrix:
  include:
  - # OSX, xcode 8
  + # OSX, xcode 10
  - os: osx
  - osx_image: xcode8
  + osx_image: xcode10
  env: CMAKE_OPTIONS="-DUSER_PATH_QT=~/usr/local/Cellar/qt/5.11.0" PYPI=true
  # Linux, GCC 6
  - os: linux
  @@ -49,9 +49,12 @@ matrix:
  - g++-5
  - qt57base
  - qt57charts-no-lgpl
  + - ca-certificates
  + - python2.7
  sources:
  - sourceline: 'ppa:ubuntu-toolchain-r/test'
  - sourceline: 'ppa:beineri/opt-qt571-trusty'
  + - sourceline: 'ppa:jonathonf/python-2.7'
  # # Linux, GCC 5.1 CUDA build
  # - os: linux
  # env: COMPILER_C=gcc-5 COMPILER_CXX=g++-5 RUNTESTS=false USE_CUDA=true CMAKE_OPTIONS="-DUI_CXX_USE_QT=OFF -DSPIRIT_USE_CUDA=ON" PYPI=false
  @@ -134,7 +137,10 @@ matrix:
  before_install:
  - - sudo pip install numpy wheel twine coveralls
  + - python --version
  + - if [ "$TRAVIS_OS_NAME" != "osx" ]; then sudo pip uninstall -y six chardet pyOpenSSL; fi
  + - sudo pip install --upgrade pip six pyOpenSSL
  + - sudo pip install wheel numpy urllib3==1.23 twine coveralls
  # Run homebrew on osx
  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi
  # Setup default versions and override compiler if needed
  