fixes pad token id issue

app.py

@@ -106,7 +106,11 @@ model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.bfloa
 
 # Set generation config
 model.generation_config = GenerationConfig.from_pretrained(model_name)
-model.generation_config.pad_token_id = model.generation_config.eos_token_id
+# Ensure pad_token_id is an integer, not a list
+if isinstance(model.generation_config.eos_token_id, list):
+    model.generation_config.pad_token_id = model.generation_config.eos_token_id[0]
+else:
+    model.generation_config.pad_token_id = model.generation_config.eos_token_id
 model.generation_config.do_sample = True
 model.generation_config.temperature = 0.6
 model.generation_config.top_p = 0.95