Update app.py

app.py

@@ -356,7 +356,7 @@ def answer_question(question):
 
 def get_device_info():
     """Simple function to detect if mobile (basic detection)"""
-    return 
+    return """
     <script>
     function isMobile() {
         return window.innerWidth <= 768;
@@ -375,12 +375,13 @@ def get_device_info():
     window.addEventListener('resize', adjustLayout);
     adjustLayout();
     </script>
+    """
 
 def create_interface():
     """Create the fully responsive Gradio interface"""
     
     # Custom CSS for better responsiveness
-    custom_css = 
+    custom_css = """
     /* Base responsive styles */
     .gradio-container {
         max-width: 100% !important;
@@ -526,12 +527,12 @@ def create_interface():
         
         # Check for pre-loaded PDFs
         if PRELOADED_PDFS:
-            gr.Markdown(
+            gr.Markdown("""
             <div style="background: linear-gradient(90deg, #10b981, #059669); 
                                 color: white; padding: 12px; border-radius: 8px; margin: 10px 0;">
             🎉 <strong>Pre-loaded PDFs detected!</strong> Use the 'Load Pre-existing PDFs' button to get started quickly.
             </div>
-            )
+            """)
         
         # Main layout - responsive columns
         with gr.Row():