Further logging improvements

Signed-off-by: Ed Snible <snible@us.ibm.com>

Author: esnible

a2a/a2a_currency_converter/app/agent.py

@@ -1,3 +1,7 @@
+"""Currency conversion logic for A2A example"""
+
+import os
+
 from collections.abc import AsyncIterable
 from typing import Any, Literal
 
@@ -10,7 +14,6 @@
 from langgraph.prebuilt import create_react_agent
 from pydantic import BaseModel
 from pydantic_settings import BaseSettings
-import os
 from langchain_openai import ChatOpenAI
 
 

a2a/a2a_currency_converter/app/agent_executor.py

@@ -92,9 +92,9 @@ async def execute(
 
         except InternalServerError as e:
             msg=f"""CurrencyAgentExecutor reports an InternalServerError error.\n
-This can happen if the LLM_API_BASE environment variable does not point to an OpenAI server.\n
+This can happen if the agent's LLM_API_BASE environment variable does not point to an OpenAI server.\n
 LLM_API_BASE is {os.getenv("LLM_API_BASE", "undefined")}\n
-{e}"""
+Error: {e}"""
             logger.error(msg=msg)
             updater.update_status(
                 TaskState.input_required,