Update util.py

util.py

@@ -1,5 +1,5 @@
+import base64
 import pandas as pd
-
 from openai import OpenAI
 
 def get_questions(file_path):
@@ -12,6 +12,10 @@ def get_questions(file_path):
 
     return result
 
+get_img_b64(file_path):
+    with open(file_path, "rb") as file:
+        return base64.b64encode(file.read()).decode("utf-8")
+
 def get_final_answer(model, question, answer):
     prompt_template = """
         You are an expert question answering assistant. Given a question and an initial answer, your task is to provide the final answer.