Updated app.py to use TheBloke/Mistral-7B-OpenOrca-GGUF model with base tokenizer

app.py

@@ -3,7 +3,8 @@ from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
 
 # Initialize the model and tokenizer
 model_name = "TheBloke/Mistral-7B-OpenOrca-GGUF"
-tokenizer = AutoTokenizer.from_pretrained(model_name)
+base_model_name = "EleutherAI/gpt-j-1.1B"  # Base model for tokenizer
+tokenizer = AutoTokenizer.from_pretrained(base_model_name)
 model = AutoModelForCausalLM.from_pretrained(model_name)
 chat_pipeline = pipeline("text-generation", model=model, tokenizer=tokenizer, device=0)  # device=0 means use CPU