declare encoding for python version script

versions/python

 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 
 from vendor import requests
 from vendor import parse
@@ -24,7 +25,7 @@ def yield_versions():
 
 
 def main():
-    """Print each version number to stdout."""
+    """Print each version number to stdout."""+
     for version in yield_versions():
         print(version)