Update app.py

app.py

@@ -85,7 +85,7 @@ class Reviewer:
             ]
         try:
             response = openai.ChatCompletion.create(
-                model="gpt-3.5-turbo-16k",
+                model="gpt-4o-mini",
                 messages=messages,
                 temperature=0.5
             )
@@ -109,8 +109,6 @@ class Reviewer:
         
 
     def extract_chapter(self, pdf_path):
-        if isinstance(pdf_path, NamedString):
-            pdf_path = BytesIO(pdf_path.name)  # 将NamedString对象转换为BytesIO对象
         file_object = BytesIO(pdf_path)
         pdf_reader = PyPDF2.PdfReader(file_object)
         # 获取PDF的总页数