Okay, so not even *args followed by a kwarg is allowed on py2...

jsmnbom · jsmnbom · commit a964b7bfd0ca · 2017-06-19T21:46:34.000+02:00
So just remove it for now. Better than doing annoying stuff with parsing a **kwargs dict in my opinion. It didn't even *really* need to be kwarg only anyways I guess...
diff --git a/telegram/ext/filters.py b/telegram/ext/filters.py
@@ -53,7 +53,7 @@ class BaseFilter(object):
     (so remember to initialize your filter classes).
     """
 
-    def __init__(self, *args, name=None):
+    def __init__(self, name=None):
         self.name = name
 
     def __call__(self, message):
