Fix osx build

ci/travis/before_install.sh

@@ -11,14 +11,12 @@ fi
 
 if [ $TRAVIS_OS_NAME == "osx" ]
 then
-    brew tap homebrew/versions
     brew update
     brew install libsodium
     ## Ensure your brew QT version is up to date. (brew install qt -> qt 4.8)
     brew install qt5
     brew list qt5
     brew install pyenv-virtualenv
-    pyenv update
 elif [ $TRAVIS_OS_NAME == "linux" ]
 then
     sudo apt-get update
@@ -48,6 +46,7 @@ fi
 
 eval "$(pyenv init -)"
 
+pyenv update
 pyenv install --list
 if [ $TRAVIS_OS_NAME == "osx" ]
 then

ci/travis/build.sh

@@ -11,7 +11,7 @@ pip install --upgrade pip
 pyenv rehash
 pip install coveralls
 pip install pytest-cov
-pip install pyinstaller==3.2
+pip install pyinstaller==3.3.1
 pip install -r requirements.txt
 if [ $TRAVIS_OS_NAME == "linux" ]
 then
@@ -34,7 +34,6 @@ if [ $TRAVIS_OS_NAME == "osx" ]
 then
     pyinstaller sakia.spec
     cp -rv dist/sakia/* dist/sakia.app/Contents/MacOS
-    cp -va dist/sakia/* dist/sakia.app/Contents/MacOS
     cp -v res/osx/Info.plist dist/sakia.app/Contents/
     rm -rfv dist/sakia
 elif [ $TRAVIS_OS_NAME == "linux" ]