Fix

app.py

@@ -19,10 +19,10 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 @tool
 def smart_web_search(query: str) -> str:
     """Smart web search with Serper API and Wikipedia fallback.
-    
+
     Args:
         query (str): The search query to execute
-    
+
     Returns:
         str: Search results from Serper API or Wikipedia
     """
@@ -30,12 +30,32 @@ def smart_web_search(query: str) -> str:
         time.sleep(random.uniform(1, 3))
         serper_key = os.getenv("SERPER_API_KEY")
         if serper_key:
-            # ... rest of your existing implementation ...
+            url = "https://google.serper.dev/search"
+            payload = json.dumps({"q": query, "num": 5})
+            headers = {
+                'X-API-KEY': serper_key,
+                'Content-Type': 'application/json'
+            }
+            response = requests.post(url, headers=headers, data=payload, timeout=15)
+            if response.status_code == 200:
+                data = response.json()
+                results = []
+                if 'answerBox' in data:
+                    results.append(f"ANSWER: {data['answerBox'].get('answer', '')}")
+                if 'knowledgeGraph' in data:
+                    kg = data['knowledgeGraph']
+                    results.append(f"INFO: {kg.get('title', '')} - {kg.get('description', '')}")
+                if 'organic' in data:
+                    for item in data['organic'][:3]:
+                        results.append(f"RESULT: {item.get('title', '')} - {item.get('snippet', '')}")
+                return "\n".join(results) if results else "No Serper results"
+        # If serper_key is not set or no results, fallback to Wikipedia
         return get_detailed_wikipedia(query)
     except Exception as e:
         return f"Search error: {str(e)}"
 
 
+
 @tool
 def extract_youtube_details(url: str) -> str:
     """Extract details from YouTube videos."""