prompt==login forces reauthentication.

Author: rohe

src/oidcop/oauth2/authorization.py

@@ -970,7 +970,9 @@ def re_authenticate(request, authn) -> bool:
     """
     logger.debug("Re-authenticate ??: {}".format(request))
 
-    if "prompt" in request and request["prompt"] == "login":
+    _prompt = request.get("prompt")
+    logger.debug(f"Prompt={_prompt}")
+    if _prompt == "login":
         logger.debug("Reauthenticate due to prompt=login")
         return True