Update Articles and MsgCollection to use super()

modules/harvest_tools/articles.py

@@ -24,7 +24,7 @@ class Articles(Automaton):
 
     def __init__(self, *args, **kwargs):
 
-        Automaton.__init__(self, *args, **kwargs)
+        super().__init__(*args, **kwargs)
 
         # the preprint categories
         self.id_preprint = get_id(self.db.categories, code="PRE")

modules/harvest_tools/msgcollection.py

@@ -23,7 +23,7 @@ class MsgCollection(Storage):
     """
 
     def __init__(self, error="", found=0, title="", url=""):
-        Storage.__init__(self)
+        super().__init__()
         self.error = error
         self.found = found
         self.title = title