Update app.py

app.py

@@ -9,16 +9,9 @@ from langchain.chains import LLMChain
 from langchain.output_parsers import StrOutputParser
 from langchain.chat_models import ChatOpenAI
 
-# Set up the Hugging Face model and embeddings
-model_name = "BAAI/bge-large-en-v1.5"
-model_kwargs = {'device':'cuda'}
-encode_kwargs = {'normalize_embeddings':True}
-
-embedding_function = HuggingFaceBgeEmbeddings(
-    model_name = model_name,
-    model_kwargs = model_kwargs,
-    encode_kwargs = encode_kwargs
-)
+from sentence_transformers import SentenceTransformer
+
+embedding_function = SentenceTransformer("BAAI/bge-large-en-v1.5")
 
 # Set the OpenAI API key
 openai.api_key = os.getenv("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")