chore(CI): update Python for Node 17

Author: brettz9

.travis.yml

@@ -13,6 +13,16 @@ before_install:
 install:
   - echo "Avoid Travis's npm auto-install"
 before_script: >
+  node_version=$(node -v);
+  if [ ${node_version:1:2} = "17" ]; then
+    echo "Deadsnakes"
+    sudo add-apt-repository --yes ppa:deadsnakes/ppa
+    echo "Update apt-get"
+    sudo apt-get update
+    echo "Install Python3"
+    sudo apt-get --assume-yes install python3.6
+    ln -sf /usr/bin/python3.6 /usr/bin/python3
+  fi;
   npm install --legacy-peer-deps --no-save "eslint@${ESLINT}"
 notifications:
   email: false