Update app.py

app.py

@@ -16,7 +16,11 @@ df = pd.read_csv('combined_questions_and_answers.csv')
 question_embeddings = model.encode(df['Question'].tolist())
 
 # Hugging Face API details for Meta-Llama 3B
-pipe = pipeline("text-generation", model="meta-llama/Meta-Llama-3-8B-Instruct")
+api_key = os.getenv("HUGGINGFACE_API_KEY")
+if not api_key:
+    raise ValueError("Hugging Face API key not found in environment variables. Please set the HUGGINGFACE_API_KEY environment variable.")
+
+pipe = pipeline("text-generation", model="meta-llama/Meta-Llama-3-8B-Instruct", token=api_key)
 
 # Function to refine and translate text using Meta-Llama 3B
 def refine_text(prompt):