From 7817be1629e0189bab0a9ee0cc7949b20a57971b Mon Sep 17 00:00:00 2001 From: Rodrigo Brandao Date: Fri, 14 Aug 2026 10:10:27 -0700 Subject: [PATCH] Preventing Activity.text re-assignment for None value in AgentApplication._remove_mentions --- .../microsoft_agents/hosting/core/app/agent_application.py | 1 + 1 file changed, 1 insertion(+) diff --git a/libraries/microsoft-agents-hosting-core/microsoft_agents/hosting/core/app/agent_application.py b/libraries/microsoft-agents-hosting-core/microsoft_agents/hosting/core/app/agent_application.py index f81ac303..bf3e0968 100644 --- a/libraries/microsoft-agents-hosting-core/microsoft_agents/hosting/core/app/agent_application.py +++ b/libraries/microsoft-agents-hosting-core/microsoft_agents/hosting/core/app/agent_application.py @@ -903,6 +903,7 @@ def _remove_mentions(self, context: TurnContext): if ( self.options.remove_recipient_mention and context.activity.type == ActivityTypes.message + and context.activity.text is not None ): context.activity.text = context.remove_recipient_mention(context.activity)