update python version travis.yml

.travis.yml

@@ -3,7 +3,7 @@ cache:
   directories:
     - __pycache__
 python:
-- "3.6.2"
+- "3.8"
 before_install:
 - sudo pip install -r requirements.txt
 script:

scripts/lint.py

@@ -1,6 +1,8 @@
 import autopep8
 import re
 import os
+import sys
+print(sys.version)
 files = os.listdir('snippets')
 codeRe = "```\s*python([\s\S]*?)```"
 for file in files: