diff --git a/extensions/send_pictures/script.py b/extensions/send_pictures/script.py
index 14e9b641..034a4dd1 100644
--- a/extensions/send_pictures/script.py
+++ b/extensions/send_pictures/script.py
@@ -2,14 +2,13 @@ import base64
 from io import BytesIO
 
 import gradio as gr
+import modules.chat as chat
+import modules.shared as shared
 import torch
 from transformers import BlipForConditionalGeneration, BlipProcessor
 
-import modules.chat as chat
-import modules.shared as shared
-
 # If 'state' is True, will hijack the next chat generation with
-# custom input text
+# custom input text given by 'value' in the format [text, visible_text]
 input_hijack = {
     'state': False,
     'value': ["", ""]
@@ -31,34 +30,16 @@ def generate_chat_picture(picture, name1, name2):
     visible_text = f'<img src="data:image/jpeg;base64,{img_str}">'
     return text, visible_text
 
-def input_modifier(string):
-    """
-    This function is applied to your text inputs before
-    they are fed into the model.
-    """ 
-
-    return string
-
-def output_modifier(string):
-    """
-    This function is applied to the model outputs.
-    """
-
-    return string
-
-def bot_prefix_modifier(string):
-    """
-    This function is only applied in chat mode. It modifies
-    the prefix text for the Bot and can be used to bias its
-    behavior.
-    """
-
-    return string
-
 def ui():
     picture_select = gr.Image(label='Send a picture', type='pil')
 
     function_call = 'chat.cai_chatbot_wrapper' if shared.args.cai_chat else 'chat.chatbot_wrapper'
+
+    # Prepare the hijack with custom inputs
     picture_select.upload(lambda picture, name1, name2: input_hijack.update({"state": True, "value": generate_chat_picture(picture, name1, name2)}), [picture_select, shared.gradio['name1'], shared.gradio['name2']], None)
+
+    # Call the generation function
     picture_select.upload(eval(function_call), shared.input_params, shared.gradio['display'], show_progress=shared.args.no_stream)
+
+    # Clear the picture from the upload field
     picture_select.upload(lambda : None, [], [picture_select], show_progress=False)
diff --git a/modules/chat.py b/modules/chat.py
index 2cbc5c8e..3c8b4dbf 100644
--- a/modules/chat.py
+++ b/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')