On python 3.5, sys.subversion have been removed

So to get the type of the python interpreter, we need to look at
sys.implementation.name which do not return 'cpython', instead of 'CPython',
but that's upstream breakage, so not much we can do.

lib/ansible/module_utils/facts.py

@@ -597,7 +597,10 @@ class Facts(object):
         try:
             self.facts['python']['type'] = sys.subversion[0]
         except AttributeError:
-            self.facts['python']['type'] = None
+            try:
+                self.facts['python']['type'] = sys.implementation.name
+            except AttributeError:
+                self.facts['python']['type'] = None
 
 
 class Distribution(object):