Update app.py

app.py

@@ -69,7 +69,13 @@ AUTHORIZED_IMPORTS = [
     "fractions",
     "csv",
 ]
+import os
+from huggingface_hub import configure_http_backend
+configure_http_backend(backends=["httpx"])  # More stable backend
 
+# Set environment variables before other imports
+os.environ["HF_HUB_DOWNLOAD_TIMEOUT"] = "300"  # 5 minute timeout
+os.environ["HF_HUB_OFFLINE"] = "0"  # Disable offline mode
 load_dotenv(override=True)
 login(os.getenv("HF_TOKEN"))
 
@@ -125,53 +131,37 @@ browser = SimpleTextBrowser(**BROWSER_CONFIG)
 class DuckDuckGoSearchTool(Tool):
     """Search tool using DuckDuckGo"""
     name = "web_search"
-    description = "Search the web using DuckDuckGo (current information)"
-    
-    # Smolagents requires these formatted as dicts (not lists) [github.com]
+    description = "Search the web using DuckDuckGo"
+    output_type = "string"  # Explicit output type [github.com]
     inputs = {
         "query": {
-            "type": "string",
-            "description": "Search query string",
+            "type": "string", 
+            "description": "Search query",
             "required": True
         }
     }
-    
-    outputs = {
-        "results": {
-            "type": "string",
-            "description": "Formatted search results with URLs and snippets"
-        }
-    }
-    
-    def __init__(self, max_results: int = 5):
+
+    def __init__(self, max_results=5):
         super().__init__()
         self.max_results = max_results
-        self.args_schema = {
-            "max_results": {
-                "type": "integer",
-                "description": "Max results to return",
-                "default": 5
-            }
-        }
 
     def run(self, query: str) -> str:
-        """Perform a search and return formatted results"""
         try:
-            with DDGS() as ddgs:
+            with DDGS(timeout=30) as ddgs:  # Increased timeout
                 results = list(ddgs.text(
-                    keywords=query,
+                    query,
+                    max_results=self.max_results,
                     region='wt-wt',
-                    safesearch='moderate', 
-                    max_results=self.max_results
+                    safesearch='moderate'
                 ))
-            
-            return "\n\n".join([
-                f"• {res['title']}\n  {res['href']}\n  {res['body'][:300]}..."
+            return "\n".join([
+                f"• {res['title']}\n  {res['href']}\n  {res['body'][:200]}..."
                 for res in results
             ])
         except Exception as e:
             return f"Search failed: {str(e)}"
 
+
             
 WEB_TOOLS = [
     DuckDuckGoSearchTool(max_results=5),