Merge pull request #460 from ddanier/autointerrupt_del_no_os_kill

Make sure os is not even partly destroyed

Author: Byron

git/cmd.py

@@ -287,7 +287,7 @@ def __del__(self):
                 return
 
             # can be that nothing really exists anymore ...
-            if os is None:
+            if os is None or os.kill is None:
                 return
 
             # try to kill it