Should not raise StopIteration

Have to create a endpoint path to method instance map.

Author: rohe

src/oidcendpoint/endpoint_context.py

@@ -275,6 +275,10 @@ def do_authentication(self):
         else:
             self.authn_broker = None
 
+        self.endpoint_to_authn_method = {}
+        for method in self.authn_broker:
+            self.endpoint_to_authn_method[method.action] = method
+
     def do_cookie_dealer(self):
         _conf = self.conf.get('cookie_dealer')
         if _conf:

src/oidcendpoint/user_authn/authn_context.py

@@ -97,7 +97,6 @@ def get_acr_values(self):
     def __iter__(self):
         for item in self.db.values():
             yield item["method"]
-        raise StopIteration
 
     def __len__(self):
         return len(self.db.keys())