fix bugs

project/plugins/README.md

@@ -31,6 +31,7 @@ In this plugin, we use Selenium driver to open a web browser and navigate to a w
 So, you need to install the following python packages:
 ```bash
 pip install selenium
+pip install pillow
 ```
 
 We use the Chrome driver in this example. You can download the driver from [here](https://chromedriver.chromium.org/downloads). 

project/plugins/vision_web_explorer.py

@@ -5,11 +5,9 @@
 from typing import Any, Dict, List, Tuple
 
 import requests
-from PIL import Image
-
-from taskweaver.plugin import Plugin, register_plugin
 
 try:
+    from PIL import Image
     from selenium import webdriver
     from selenium.webdriver.chrome.options import Options
     from selenium.webdriver.chrome.service import Service
@@ -19,6 +17,7 @@
 except ImportError:
     raise ImportError("Please install selenium first.")
 
+from taskweaver.plugin import Plugin, register_plugin
 from taskweaver.plugin.context import PluginContext
 
 
@@ -216,10 +215,12 @@ def extract_basic_info(el):
                 print(e)
 
         remove_labels_script = """
-        var labels = document.querySelectorAll('div[label-element-number]');
-        labels.forEach(function(label) {
-          label.parentNode.removeChild(label);
-        });
+        (function() {
+            var labels = document.querySelectorAll('div[label-element-number]');
+            labels.forEach(function(label) {
+              label.parentNode.removeChild(label);
+            });
+        })();
         """
         self.driver.execute_script(remove_labels_script)
 

project/plugins/vision_web_explorer.yaml

@@ -1,5 +1,5 @@
 name: vision_web_explorer
-enabled: false
+enabled: true
 required: false
 plugin_only: true
 description: >-
@@ -38,4 +38,4 @@ returns:
 configurations:
     endpoint:
     api_key:
-    driver_path:
+    driver_path: