fix: try with wikipedia

app.py

@@ -86,32 +86,32 @@ class BasicAgent:
                 description="Searches the web and refines the result into a high-quality answer. Use when other tools don't seem suitable"
             )
         
-        # def wikipedia_search(query: str) -> str:
-        #     try:
-        #         text = WikipediaToolSpec().search_data(query)
-        #         documents = [Document(text=text)]
+        def wikipedia_search(query: str) -> str:
+            try:
+                text = WikipediaToolSpec().search_data(query)
+                documents = [Document(text=text)]
 
-        #         splitter = SentenceSplitter(chunk_size=256)
-        #         nodes = splitter.get_nodes_from_documents(documents)
+                splitter = SentenceSplitter(chunk_size=256)
+                nodes = splitter.get_nodes_from_documents(documents)
 
-        #         retriever = BM25Retriever(nodes=nodes, similarity_top_k=1)
-        #         synthesizer = get_response_synthesizer(response_mode="refine", llm=llm)
-        #         query_engine = RetrieverQueryEngine(retriever=retriever, response_synthesizer=synthesizer)
+                retriever = BM25Retriever(nodes=nodes, similarity_top_k=1)
+                synthesizer = get_response_synthesizer(response_mode="refine", llm=llm)
+                query_engine = RetrieverQueryEngine(retriever=retriever, response_synthesizer=synthesizer)
 
-        #         response = query_engine.query(query)
-        #         return response.response
+                response = query_engine.query(query)
+                return response.response
 
-        #     except Exception as e:
-        #         return f"An error occurred: {e}"
+            except Exception as e:
+                return f"An error occurred: {e}"
 
 
-        # wikipedia_search_tool = FunctionTool.from_defaults(
-        #         wikipedia_search,
-        #         name="wikipedia_search",
-        #         description="Searches wikipedia and converts results into a high quality answer."
-        #     )
+        wikipedia_search_tool = FunctionTool.from_defaults(
+                wikipedia_search,
+                name="wikipedia_search",
+                description="Searches wikipedia and converts results into a high quality answer."
+            )
 
-        agent = AgentWorkflow.from_tools_or_functions([duckduckgo_search_tool, youtube_transcript_answer_tool], llm=self.llm)
+        agent = AgentWorkflow.from_tools_or_functions([duckduckgo_search_tool, youtube_transcript_answer_tool, wikipedia_search_tool], llm=self.llm)
         async def run_agent():
             return await agent.run(question)