Fix one bug in Chrome getter; fix one erro for corner case in doc

desktop_env/evaluators/metrics/docs.py

@@ -6,6 +6,7 @@ import zipfile
 from io import BytesIO
 from typing import List, Dict, Any
 
+import easyocr
 from PIL import Image
 from docx import Document
 from docx.enum.text import WD_PARAGRAPH_ALIGNMENT, WD_TAB_ALIGNMENT
@@ -247,8 +248,9 @@ def compare_docx_images(docx_file1, docx_file2):
     return 1
 
 
-import easyocr
 def compare_image_text(image_path, rule):
+    if not image_path:
+        return 0
     reader = easyocr.Reader(['en'])
     result = reader.readtext(image_path)
     extracted_text = ' '.join([entry[1] for entry in result])