Don't mess with self, make search tool to be a staticmethod

app.py

@@ -29,7 +29,7 @@ class State(TypedDict):
 
 class BasicAgent:
     def __init__(self):
-        self.tools = [self.search_tool]
+        self.tools = [BasicAgent.search_tool]
 
         # Chat model with tool support
         self.model = ChatOpenAI(model="gpt-4o", temperature=0)
@@ -82,10 +82,11 @@ class BasicAgent:
             "messages": [response]
         }
 
+    @staticmethod
     @tool(
       description="Search the web using DuckDuckGo and return the best result snippet.",
     )
-    def search_tool(self, question: str, max_length: int = 2048) -> str:
+    def search_tool(question: str, max_length: int = 2048) -> str:
         print(f"Calling search tool with: {question}, max_lentgh: {max_length}")
         with DDGS() as ddgs:
             hits = list(ddgs.text(question, max_results=5))