fix: yaml update

Signed-off-by: Arpit Srivastava <arpit-mac@Arpits-MacBook-Pro-6.local>

.travis.yml

@@ -16,7 +16,7 @@ env:
 
 before_install:
 - sudo apt-get update
-- python -V
+- pyenv global 3.8
 - >-
   [ -z "${TRAVIS_TAG}" ] &&  [ "${TRAVIS_PULL_REQUEST}" == "false" ]
   && openssl aes-256-cbc -K $encrypted_d4a185972ecc_key -iv $encrypted_d4a185972ecc_iv -in pdns.env.enc -out pdns.env -d || true