Update app.py

add wiki search tool

app.py

@@ -16,6 +16,12 @@ from string import Template
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- tools ---
+wiki_search = WikipediaSearchTool(
+    user_agent=f"HF_Agents_Final_Assignment ({os.getenv('USER_EMAIL')})",
+    language="en",
+    content_type="text",
+    extract_format="WIKI",
+)
 web_search = DuckDuckGoSearchTool()
 visit_webpage = VisitWebpageTool()
 final_answer = FinalAnswerTool()
@@ -88,7 +94,7 @@ class EnhancedAgent:
         self.model_id = "Qwen/Qwen3-235B-A22B-Thinking-2507"
         self.provider = "auto"
         self.timeout = 360
-        self.tools = [read_file_as_text, reverse_string, web_search, visit_webpage, final_answer]
+        self.tools = [wiki_search, web_search, visit_webpage, read_file_as_text, reverse_string, final_answer]
         self.auth_imports = ["pandas", "numpy", "datetime", "json", "re", "math", "os", "requests", "csv", "urllib"]
         self.max_steps = 5
         self.agent = CodeAgent(