Clean up some unused code

modules/chat.py

@@ -8,12 +8,13 @@ from pathlib import Path
 
 from PIL import Image
 
-import modules.shared as shared
 import modules.extensions as extensions_module
+import modules.shared as shared
 from modules.extensions import apply_extensions
 from modules.html_generator import generate_chat_html
 from modules.text_generation import encode, generate_reply, get_max_prompt_length
 
+
 # This gets the new line characters right.
 def clean_chat_message(text):
     text = text.replace('\n', '\n\n')