Update app.py

app.py

@@ -1,9 +1,10 @@
-import transformers 
-from transformers import GPT2LMHeadModel
-model_id = "gpt2"
+from transformers import GPT2LMHeadModel, GPT2Tokenizer
 
+model_id = "gpt2"
 model = GPT2LMHeadModel.from_pretrained(model_id)
+tokenizer = GPT2Tokenizer.from_pretrained(model_id)
 
 text = "Hello"
+encoded_text = tokenizer(text, return_tensors="pt") 
 
 outputs = model(**encoded_text)