Merge pull request #12 from criecm/fix_ioc_exceptions

fix collections vs Iterable

iocage_lib/ioc_exceptions.py

@@ -31,7 +31,7 @@ class ExceptionWithMsg(Exception):
     def __init__(self, message):
         if not isinstance(message, str) and not isinstance(
             message,
-            collections.Iterable
+            collections.abc.Iterable
         ):
             message = [message]