Update tools.py

tools.py

@@ -1,10 +1,8 @@
 import base64
 import requests
 try:
-    from smolagents import DuckDuckGoSearchTool
     from smolagents import Tool
 except ImportError:
-    DuckDuckGoSearchTool = object
     Tool = object
 
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
@@ -59,23 +57,27 @@ class ImageReaderTool:
             return error_msg
 
 
-#search web tool
-class WebSearchTool( DuckDuckGoSearchTool):
+#search web tool — uses ddgs directly to avoid smolagents DuckDuckGoSearchTool package check
+class WebSearchTool:
     name = "web_search"
-    description = "Searches the web for information based on a query string."
-    inputs = {
-        "query": {
-            "type": "string",
-            "description": "The query string to search for."
-        }
-    }
-    output_type = "string"
+
     def __init__(self):
-        super().__init__()
         print("WebSearchTool initialized.")
-    def forward(self, query: str) -> str:
+
+    def __call__(self, query: str) -> str:
         print(f"WebSearchTool received query (first 50 chars): {query[:50]}...")
-        result = super().forward(query)
-        print(f"WebSearchTool returning result (first 100 chars): {result[:100]}...")
-        return result
+        try:
+            from ddgs import DDGS
+            with DDGS() as ddgs:
+                results = list(ddgs.text(query, max_results=5))
+            if not results:
+                return "No results found."
+            output = "\n\n".join(
+                f"{r.get('title', '')}\n{r.get('href', '')}\n{r.get('body', '')}"
+                for r in results
+            )
+        except Exception as e:
+            output = f"Search error: {e}"
+        print(f"WebSearchTool returning result (first 100 chars): {output[:100]}...")
+        return output