Fix return values in respond function 2

app.py

@@ -30,9 +30,11 @@ def chat():
     # Concatenate all user inputs into a single string
     user_input = " ".join([msg['content'] for msg in messages if msg['role'] == 'user'])
     
-    inputs = tokenizer.encode(user_input, return_tensors='pt')
-    outputs = model.generate(inputs)
-    response_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
+    inputs = tokenizer(user_input, return_tensors='pt', padding=True, truncation=True)
+    input_ids = inputs['input_ids']
+    attention_mask = inputs['attention_mask']
+    outputs = model.generate(input_ids, attention_mask=attention_mask, pad_token_id=tokenizer.eos_token_id)
+    response_text = tokenizer.decode(outputs[0], skip_special_tokens=True).replace(user_input, '').strip()
     
     return jsonify({"response": response_text})