Clean up the code.

app.py

@@ -1,25 +1,21 @@
 import threading
-
-from flask import Flask, request
-from flask_jwt_extended import JWTManager, jwt_required
 from functools import reduce
 
-from helper.ExamVariant import ExamVariant
+import firebase_admin
+from firebase_admin import credentials
+from flask import Flask, request
+from flask_jwt_extended import JWTManager, jwt_required
+
 from helper.api_messages import *
+from helper.exam_variant import ExamVariant
 from helper.exercises import *
 from helper.file_helper import delete_files_older_than_one_day
 from helper.firebase_helper import *
 from helper.heygen_api import create_video, create_videos_and_save_to_db
-from heygen.AvatarEnum import AvatarEnum
-from helper.speech_to_text_helper import *
 from helper.openai_interface import *
-import os
-import re
-import logging
-
-from dotenv import load_dotenv
-
-from templates.question_templates import *
+from helper.question_templates import *
+from helper.speech_to_text_helper import *
+from heygen.AvatarEnum import AvatarEnum
 
 load_dotenv()
 
@@ -357,27 +353,6 @@ def get_writing_task_2_general_question():
         return str(e)
 
 
-# THE SAVING OF WRITING IS DONE WITHOUT THE API ON THE FRONTEND
-# @app.route('/writing', methods=['POST'])
-# @jwt_required()
-# def save_writing_task():
-#     try:
-#         data = request.get_json()
-#         exercises = data.get('exercises')
-#         template = getWritingTemplate()
-#         id = str(uuid.uuid4())
-#         for i, exercise in enumerate(exercises, start=0):
-#             template["exercises"][i]["prompt"] = exercise
-#
-#         (result, id) = save_to_db_with_id("writing", template, id)
-#         if result:
-#             return {**template, "id": id}
-#         else:
-#             raise Exception("Failed to save writing: " + template)
-#     except Exception as e:
-#         return str(e)
-
-
 @app.route('/speaking_task_1', methods=['POST'])
 @jwt_required()
 def grade_speaking_task_1():
@@ -778,25 +753,6 @@ def get_reading_passage_3_question():
         return str(e)
 
 
-# THE SAVING OF READING IS DONE WITHOUT THE API ON THE FRONTEND
-# @app.route('/reading', methods=['POST'])
-# @jwt_required()
-# def save_reading_passage():
-#     try:
-#         data = request.get_json()
-#         parts = data.get('parts')
-#         template = getReadingTemplate()
-#         template["parts"] = parts
-#         id = str(uuid.uuid4())
-#         (result, id) = save_to_db_with_id("reading", template, id)
-#         if result:
-#             return {**template, "id": id}
-#         else:
-#             raise Exception("Failed to save reading: " + template)
-#     except Exception as e:
-#         return str(e)
-
-
 @app.route('/level', methods=['GET'])
 @jwt_required()
 def get_level_exam():