Update app.py

app.py

@@ -723,6 +723,11 @@ def process_uploaded_pdf(pdf_file, progress=gr.Progress()):
             print(f"Created {len(document_chunks)} chunks")
             
             show_results_tab = True
+            
+            # Clear GPU cache after PDF processing to free memory for voice model
+            if torch.cuda.is_available():
+                torch.cuda.empty_cache()
+            
             progress(1.0, desc="PDF processed successfully!")
             return "✅ PDF processed successfully! Chatbot is ready in the Chat tab.", gr.Tabs(visible=True)
         else: