Update wikipediaLookup.py

wikipediaLookup.py

@@ -14,7 +14,7 @@ class WikipediaLookupTool(Tool):
     output_type = "string"
     
     
-    def __call__(self, query: str) -> str:
+    def forward(self, query: str) -> str:
         try:
             page = wikipedia.page(query)
             return page.content  # full text
@@ -23,4 +23,7 @@ class WikipediaLookupTool(Tool):
         except wikipedia.PageError:
             return f"Page not found for: {query}"
         except Exception as e:
-            return f"Unexpected error: {e}"
+            return f"Unexpected error: {e}"
+
+    def __init__(self, *args, **kwargs):
+        self.is_initialized = False