diff --git a/src/ragent/__init__.py b/src/ragent/__init__.py
index 2e6554a..93f86b7 100644
--- a/src/ragent/__init__.py
+++ b/src/ragent/__init__.py
@@ -200,12 +200,12 @@ class Agent:
 
     def communicate(self, message: str,role:str="user"):
         log.debug(f"Sending message: {message} to assistant {self.assistant.id} in thread {self.thread.id}.")
-        messages = isinstance(message, list) and message or [message]
+        messages = hasattr(message, "__iter__") and message or [message]
 
         for message in messages:
             if isinstance(message, dict):
+                message_role = message["role"]
                 message = message["content"]
-                message_role = message["content"]
             else:
                 message_role = role 
             self.client.beta.threads.messages.create(