Update app.py

app.py

@@ -262,6 +262,10 @@ def process_pdf(pdf, fmt, ctx_size, snippet_num, prompt):
         logging.error(f"Error processing PDF: {e}")
         return f"Error processing PDF: {str(e)}", "", []
 
+The main error is the context_size not being defined before it's used in the button click handlers. Let's fix the order of component definitions and handlers. Here's the corrected UI section:
+python
+
+Copy
 # Main Interface
 with gr.Blocks(theme=gr.themes.Default()) as demo:
     # Store context size value
@@ -287,6 +291,16 @@ with gr.Blocks(theme=gr.themes.Default()) as demo:
                     label="📝 Output Format"
                 )
             
+            # First define the slider
+            context_size = gr.Slider(
+                minimum=1000,
+                maximum=200000,
+                step=1000,
+                value=32000,
+                label="📏 Custom Context Size"
+            )
+            
+            # Then define the context size buttons
             gr.Markdown("### Context Size")
             with gr.Row():
                 for size_name, size_value in CONTEXT_SIZES.items():