Update app.py

app.py

@@ -21,23 +21,20 @@ from wikipedia_searcher import WikipediaSearcher
 #)
 
 
-
 class WikipediaSearchTool(Tool):
+    name = "wikipedia_search"
+    description = "Search Wikipedia for a given query."
+    inputs = {"query": "string"}
+    output_type = "string"
+
     def __init__(self):
-        super().__init__(
-            name="wikipedia_search",
-            description="Search Wikipedia for a given query.",
-            inputs={"query": "string"},
-            output_type="string",
-        )
+        super().__init__()
         self.searcher = WikipediaSearcher()
 
     def __call__(self, inputs: dict) -> str:
         query = inputs.get("query", "")
         return self.searcher.search(query)
 
-wikipedia_search_tool = WikipediaSearchTool()
-
 
 # Define the system prompt
 SYSTEM_PROMPT = """You are a general AI assistant. I will ask you a question.