Travis config improvements

.travis.yml

@@ -41,12 +41,13 @@ before_install:
   - "if [ $TRAVIS_PYTHON_VERSION = '3.4' -a $FFMPEG_VERSION = '3.4' ]; then WINDOWS=1; fi"
   - "if [ $WINDOWS -eq 1 ]; then curl https://dl.winehq.org/wine-builds/Release.key | sudo apt-key add - && sudo apt-add-repository https://dl.winehq.org/wine-builds/ubuntu/; fi"
   - "sudo apt-get -q update"
+  - "sudo apt-get -V install yasm"
   - "./ci/install-ffmpeg $FFMPEG_VERSION"
   - "if [ $TRAVIS_PYTHON_VERSION != 'pypy3' ]; then pip install -U pip; fi"
   - "if [ $TRAVIS_PYTHON_VERSION = 'pypy3' ]; then mkdir -p ~/.cache/pypy && echo $PYPY3_SHA256  ~/.cache/pypy/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable.tar.bz2 | sha256sum --status -c || curl -f -L https://bitbucket.org/squeaky/portable-pypy/downloads/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable.tar.bz2 > ~/.cache/pypy/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable.tar.bz2; fi"
   - "if [ $TRAVIS_PYTHON_VERSION = 'pypy3' ]; then echo $PYPY3_SHA256  ~/.cache/pypy/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable.tar.bz2 | sha256sum --status -c && tar -xjf ~/.cache/pypy/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable.tar.bz2 -C ~ && deactivate && ~/pypy$PYPY3_PYTHON_VERSION-$PYPY3_VERSION-linux_x86_64-portable/bin/virtualenv-pypy ~/pypy3-venv && . ~/pypy3-venv/bin/activate; fi"
 install:
-  - "sudo apt-get -V install yasm pandoc sox"
+  - "sudo apt-get -V install sox"
   - "pip install -r test-requirements.txt"
   - "pip install coveralls"
   - "if [ $WINDOWS -eq 1 ]; then sudo apt-get -V install winehq-stable p7zip-full mingw-w64; fi"
@@ -59,6 +60,7 @@ script:
 after_success:
   - "coveralls"
 before_deploy:
+  - "sudo apt-get -V install pandoc"
   - "pip install pypandoc"
   - "pip install restructuredtext_lint && t=$(mktemp --suffix=.rst) && pandoc README.md -o $t && rst-lint $t"
 deploy: