new cleaning function

app.py

@@ -77,23 +77,14 @@ def clean_json_string(json_str):
     
     # return json_str
     
-    json_str = json_str.replace("'", '"')
-    json_str = re.sub(r'"SCORE":\s*(FAIL|PASS)', r'"SCORE": "\1"', json_str)
-    
-    def escape_quotes(match):
-        return match.group(0).replace('"', '\\"')
-    
-    pattern = r'"([^"\\]*(?:\\.[^"\\]*)*)"'
-    json_str = re.sub(pattern, lambda m: '"' + escape_quotes(m) + '"', json_str)
+    json_str = re.sub(r'"(\w+)"\s*:', r'\1:', json_str)
+    json_str = re.sub(r':\s*"([^"]*)"', r':"\1"', json_str)
+
+    def unescape_quotes(match):
+        return match.group(0).replace('\\"', '"')
     
-    try:
-        parsed_json = json.loads(json_str)
-        return parsed_json
-    except json.JSONDecodeError as e:
-        print(f"Error parsing JSON: {e}")
-        print("Cleaned JSON string:")
-        print(json_str)
-        return None
+    json_str = re.sub(r'"([^"\\]*(?:\\.[^"\\]*)*)"', lambda m: '"' + unescape_quotes(m) + '"', json_str)
+    return json_str
 
 def model_call(question, document, answer):
     if question == "" or document == "" or answer == "":