Fixing .travis.yml

Author: Dids

.travis.yml

@@ -5,15 +5,18 @@ matrix:
     - name: "Python 3.7 on Linux"
       python: 3.7
       dist: xenial
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts:Scripts" ProperTree.command
     - name: "Python 3.7 on macOS"
       os: osx
       osx_image: xcode10.2
       language: shell
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts:Scripts" ProperTree.command
     - name: "Python 3.7 on Windows"
       os: windows
       language: shell
       before_install: choco install python
       env: PATH=/c/Python37:/c/Python37/Scripts:$PATH
-install:
-  - pip3 install pyinstaller
-script: pyinstaller --clean --windowed --onedir --onefile --add-data Scripts:Scripts ProperTree.command
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts;Scripts" ProperTree.command