added tokenizer

app.py

@@ -4,6 +4,7 @@ import torch
 
 # ── Choose the Mistral‑7B‑Instruct checkpoint ───────────────────────────────────
 model_name = "mistralai/Mistral-7B-Instruct-v0.1"
+tokenizer = AutoTokenizer.from_pretrained(model_name)
 model = AutoModelForCausalLM.from_pretrained(model_name)
 model = torch.compile(model)