Update app.py via AI Editor

app.py

@@ -12,7 +12,6 @@ import os
 import flask
 import uuid
 
-# Set up logging
 logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
 
 STYLES = [
@@ -34,7 +33,6 @@ app = dash.Dash(__name__, server=server, external_stylesheets=external_styleshee
 
 app.title = "ImaGen"
 
-# Global in-memory session storage and locks
 SESSION_DATA = {}
 SESSION_LOCKS = {}
 
@@ -54,7 +52,6 @@ def ensure_session_id():
         session_id = str(uuid.uuid4())
         flask.g.set_cookie = session_id
     flask.g.session_id = session_id or flask.g.get("set_cookie", None)
-    # Ensure session state and lock
     if session_id not in SESSION_DATA:
         SESSION_DATA[session_id] = {'image': None, 'enhanced_prompt': None, 'status': None}
     if session_id not in SESSION_LOCKS:
@@ -176,8 +173,7 @@ app.layout = dbc.Container([
                         placeholder="Select style",
                         className="mb-3"
                     ),
-                    # Advanced settings always open, below dropdown
-                    dbc.FormGroup([
+                    html.Div([
                         dbc.Label("Aspect Ratio"),
                         dcc.Dropdown(
                             id="aspect-ratio",