Update app.py

app.py

@@ -105,8 +105,8 @@ st.markdown("""
 
 class HuggingFaceEmbeddings(Embeddings):
     def __init__(self, model_name: str):
-        self.tokenizer = AutoTokenizer.from_pretrained("deepseek-ai/DeepSeek-R1", trust_remote_code=True)
-        self.model = AutoModelForCausalLM.from_pretrained("deepseek-ai/DeepSeek-R1", trust_remote_code=True)
+        self.tokenizer = AutoTokenizer.from_pretrained("FacebookAI/xlm-roberta-large")
+        self.model = AutoModelForMaskedLM.from_pretrained("FacebookAI/xlm-roberta-large")
 
     def embed_documents(self, texts: List[str]) -> List[List[float]]:
         embeddings = []
@@ -133,7 +133,7 @@ def get_pdf_index():
         texts = text_splitter.split_text(full_text)
         
         embeddings = HuggingFaceEmbeddings(
-            model_name="bert-base-uncased" 
+            model_name="FacebookAI/xlm-roberta-large" 
         )
         
         return VectorstoreIndexCreator(