Update agent_simple.py

agent_simple.py

@@ -224,9 +224,9 @@ def arxiv_search(query: str) -> str:
 
 def load_system_prompt():
     """Load system prompt with error handling"""
-    try:
-        with open("system_prompt.txt", "r", encoding="utf-8") as f:
-            return f.read()
+
+    with open("system_prompt.txt", "r", encoding="utf-8") as f:
+        return f.read()
 
 
 system_prompt = load_system_prompt()