install python 3.9 python3.9-distutils

Author: jiridanek

.travis.yml

@@ -120,7 +120,7 @@ jobs:
       # Python 3.8.2 in Ubuntu LTS has ASan issues
       - sudo add-apt-repository -y ppa:deadsnakes/ppa
       - sudo apt-get update
-      - sudo apt-get install python3.9 python3.9-dev
+      - sudo apt-get install python3.9 python3.9-dev python3.9-distutils
       - sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.9 10
       # Install and use the latest Node.js LTS version
       - nvm install "lts/*"
@@ -151,7 +151,7 @@ jobs:
     before_install:
       - sudo add-apt-repository -y ppa:deadsnakes/ppa
       - sudo apt-get update
-      - sudo apt-get install python3.9 python3.9-dev
+      - sudo apt-get install python3.9 python3.9-dev python3.9-distutils
       - sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.9 10
       # https://github.com/pypa/virtualenv/issues/1740
       # https://github.com/pypa/virtualenv/issues/1873