Update client

app.py

@@ -17,8 +17,8 @@ class ChatgptAPI:
             base_url = "https://api.moonshot.cn/v1",
         )
     def get_single_round_completion(self, file_path, prompt, conversation):
-        file_object = client.files.create(file=Path(file_path), purpose="file-extract")
-        file_content = client.files.content(file_id=file_object.id).text
+        file_object = self.client.files.create(file=Path(file_path), purpose="file-extract")
+        file_content = self.client.files.content(file_id=file_object.id).text
         messages = [
             {
                 "role": "system",