Update app.py

app.py

@@ -65,7 +65,7 @@ def load_document(file: NamedTemporaryFile, parser: str = "llamaparse") -> List[
         raise ValueError("Invalid parser specified. Use 'pypdf' or 'llamaparse'.")
 
 def get_embeddings():
-    return HuggingFaceEmbeddings(model_name="sentence-transformers/stsb-roberta-large")
+    return HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
 
 # Add this at the beginning of your script, after imports
 DOCUMENTS_FILE = "uploaded_documents.json"