Update app.py

app.py

@@ -127,7 +127,7 @@ class BasicAgent:
             return None
 
     # --- Robust Wikipedia Tool ---
-        def wiki_search(self, query):
+    def wiki_search(self, query):
         try:
             query = query.strip(' "').replace('TOOL:', '').replace('INPUT:', '')
             # Step 1: Search