Update GPU to CPU

app.py

@@ -40,7 +40,7 @@ def split_pages(pages):
 def create_embedding():
     embeddings = HuggingFaceEmbeddings(
         model_name="sentence-transformers/all-MiniLM-L6-v2",
-        model_kwargs={'device': 'cuda'}
+        model_kwargs={'device': 'cpu'}
     )
     return embeddings