revert wiki (update in another PR)

packages/tools/src/index.ts

@@ -6,6 +6,6 @@ export * from "./tools/img-gen";
 export * from "./tools/interpreter";
 export * from "./tools/openapi-action";
 export * from "./tools/weather";
-export * from "./tools/wikipedia";
+export * from "./tools/wiki";
 
 export * from "./tool-call";

packages/tools/src/tools/wikipedia.ts → packages/tools/src/tools/wiki.ts

 import { tool } from "@llamaindex/core/tools";
-import { default as wiki } from "wikipedia";
+import { default as wikipedia } from "wikipedia";
 import { z } from "zod";
 
 export type WikiToolOutput = {
@@ -7,7 +7,7 @@ export type WikiToolOutput = {
   content: string;
 };
 
-export const wikipedia = () => {
+export const wiki = () => {
   return tool({
     name: "wikipedia",
     description: "Use this function to search Wikipedia",
@@ -16,11 +16,11 @@ export const wikipedia = () => {
       lang: z.string().describe("The language to search in").default("en"),
     }),
     execute: async ({ query, lang }): Promise<WikiToolOutput> => {
-      wiki.setLang(lang);
-      const searchResult = await wiki.search(query);
+      wikipedia.setLang(lang);
+      const searchResult = await wikipedia.search(query);
       const pageTitle = searchResult?.results[0]?.title;
       if (!pageTitle) return { title: "No search results.", content: "" };
-      const result = await wiki.page(pageTitle, { autoSuggest: false });
+      const result = await wikipedia.page(pageTitle, { autoSuggest: false });
       return { title: pageTitle, content: await result.content() };
     },
   });

packages/tools/tests/wikipedia.test.ts

 import { describe, expect, test } from "vitest";
-import { wikipedia } from "../src/tools/wikipedia";
+import { wiki } from "../src/tools/wiki";
 
 describe("Wikipedia Tool", () => {
   test("wiki tool returns content for valid query", async () => {
-    const wikipediaTool = wikipedia();
-    const result = await wikipediaTool.call({
+    const wikiTool = wiki();
+    const result = await wikiTool.call({
       query: "Albert Einstein",
       lang: "en",
     });