chat agent abstract class

Former-commit-id: 1d36cd9c45dd5875458a3e4d01e846cb6b4a687d

swarms/agents/utils/AgentBuilder.py

@@ -9,7 +9,7 @@ from langchain.chat_models.base import BaseChatModel
 from langchain.schema import BaseOutputParser
 from langchain.callbacks.base import BaseCallbackManager
 
-from .ConversationalChatAgent import ConversationalChatAgent
+from .ConversationalChatAgent import ChatAgent
 # from .ChatOpenAI import ChatOpenAI
 from langchain.chat_models import ChatOpenAI
 from .EvalOutputParser import EvalOutputParser
@@ -79,7 +79,7 @@ class AgentBuilder:
         if self.global_tools is None:
             raise ValueError("Global tools must be initialized before agent")
 
-        return ConversationalChatAgent.from_llm_and_tools(
+        return ChatAgent.from_llm_and_tools(
             llm=self.llm,
             tools=[
                 *self.global_tools,

swarms/agents/utils/ConversationalChatAgent.py

@@ -140,4 +140,9 @@ class ConversationalChatAgent(Agent):
             )
         except Exception as e:
             logging.error(f"Error while creating agent from LLM and tools: {str(e)}")
-            raise e
+            raise e
+        
+
+class ChatAgent(ConversationalChatAgent):
+    def _get_default_output_parser(self):
+        """Get default output parser for this class."""