Update app.py

app.py

@@ -5,8 +5,8 @@ from transformers import pipeline, AutoModelForCausalLM, AutoTokenizer
 classifier = pipeline("image-classification", model="google/vit-base-patch16-224")
 
 # Initialize the tokenizer and model for the generative text (GPT-like model)
-tokenizer = AutoTokenizer.from_pretrained("gpt2")  # Example model, replace with your choice
-model = AutoModelForCausalLM.from_pretrained("gpt2")
+tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-Instruct-v0.1")  # Example model, replace with your choice
+model = AutoModelForCausalLM.from_pretrained("mistralai/Mistral-7B-Instruct-v0.1")
 
 def generate_tweet(label):
     # Generate a promotional tweet using a GPT-like model