Update app.py

app.py

@@ -21,7 +21,7 @@ login(token=os.getenv("chatbot"))
 generator = pipeline("text-generation", model="mistralai/Mistral-7B-Instruct-v0.1")
 bg_to_en = pipeline("translation", model="Helsinki-NLP/opus-mt-bg-en")
 en_to_bg = pipeline("translation", model="Helsinki-NLP/opus-mt-en-bg")
-tokenizer = AutoTokenizer.from_pretrained(model_id)
+tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.1")
 
 def load_chunks(path, chunk_size=300):
     with open(path, "r", encoding="utf-8") as f: