replace DuckDuckGo with SERPAPI, due to duckduck go timing out

agent.py

@@ -1,4 +1,4 @@
-from smolagents import CodeAgent, DuckDuckGoSearchTool, InferenceClientModel, VisitWebpageTool, OpenAIModel
+from smolagents import CodeAgent, DuckDuckGoSearchTool, InferenceClientModel, VisitWebpageTool, OpenAIModel, GoogleSearchTool
 
 from tools.wikipedia import get_wikipedia_article_sections, extract_wikipedia_section
 from tools.images import analyse_image
@@ -8,7 +8,8 @@ from tools.audio import analyse_audio
 class BasicAgent:
     def __init__(self):
         tools = [
-            DuckDuckGoSearchTool(),
+            # DuckDuckGoSearchTool(),  # hits a timeout in huggingface spaces - ip blacklisted by duckduckgo?
+            GoogleSearchTool(),
             VisitWebpageTool(),
             get_wikipedia_article_sections,
             extract_wikipedia_section,