Error messaging

app.py

@@ -108,6 +108,7 @@ def diffusion_chat(question, eot_weight, max_it, sharpness):
     last_tokens = []
 
     for i in range(max_it):
+        print('Generating output')
         generated_tokens = generate_diffusion_text(current_tokens, answer_start)
         current_tokens = generated_tokens