runtime error

Exit code: 1. Reason: Models available for selection: ['Llama 3.2', 'Microsoft Phi-4 Mini', 'Google Gemma 3'] Building Gradio interface... Traceback (most recent call last): File "/home/user/app/app.py", line 99, in <module> Ask questions about the document ('{pdf_filename}' if loaded, {len(pdf_text)} chars). NameError: name 'pdf_filename' is not defined

Container logs: