minor improvements

bot/openai_helper.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 import datetime
 import logging
+import os
 
 import tiktoken
 
@@ -26,21 +27,12 @@ def default_max_tokens(model: str) -> int:
     """
     return 1200 if model in GPT_3_MODELS else 2400
 
-
-### this will reload the correct translations.json which is located inside the parent directory
-
-import os 
-
+# Load translations
 parent_dir_path = os.path.join(os.path.dirname(__file__), os.pardir)
 translations_file_path = os.path.join(parent_dir_path, 'translations.json')
-    
 with open(translations_file_path, 'r', encoding='utf-8') as f:
     translations = json.load(f)
 
-#with open('translations.json', 'r', encoding='utf-8') as f:
-#    translations = json.load(f)
-
-
 def localized_text(key, bot_language):
     """
     Return translated text for a key in specified bot_language.