Clean up the code.

helper/exercises.py

@@ -1,17 +1,17 @@
 import queue
-import string
-
-import nltk
 import random
 import re
+import string
 import uuid
 
+import nltk
+from wonderwords import RandomWord
+
 from helper.api_messages import QuestionType
+from helper.constants import *
 from helper.firebase_helper import get_all
 from helper.openai_interface import make_openai_instruct_call, make_openai_call
 from helper.token_counter import count_tokens
-from helper.constants import *
-from wonderwords import RandomWord
 
 nltk.download('words')
 
@@ -84,6 +84,7 @@ def gen_reading_passage_3(topic, req_exercises, difficulty):
         "difficulty": difficulty
     }
 
+
 def divide_number_into_parts(number, parts):
     if number < parts:
         return None