Update app.py

app.py

@@ -9,17 +9,13 @@ from sentence_transformers import SentenceTransformer
 # Retrieve the token from environment variables
 huggingface_token = os.getenv('LLAMA_ACCES_TOKEN')
 
-# Assuming necessary initializations and model loading here
-# Retrieve the token from environment variables
-huggingface_token = os.getenv('LLAMA_ACCES_TOKEN')
-
 # Use the token with from_pretrained
 #tokenizer = AutoTokenizer.from_pretrained("meta-llama/Llama-2-7b-chat-hf", token=huggingface_token)
 #model = AutoModelForCausalLM.from_pretrained("meta-llama/Llama-2-7b-chat-hf", token=huggingface_token)
 
 # Load the tokenizer and model
-tokenizer = AutoTokenizer.from_pretrained("facebook/blenderbot_small-90M")
-model = AutoModelForCausalLM.from_pretrained("facebook/blenderbot_small-90M")
+tokenizer = AutoTokenizer.from_pretrained("openai-community/gpt2")
+model = AutoModelForCausalLM.from_pretrained("openai-community/gpt2")
 
 # Assuming BERTopic and other necessary components are initialized here
 # Initialize your BERTopic model