Update app.py

Changing device to cpu

app.py

@@ -108,7 +108,7 @@ def main():
                                     chunk_overlap=300)
     text_chunks=text_splitter.split_documents(documents)
 
-    embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L6-v2',model_kwargs={'device': 'cuda'})
+    embeddings = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L6-v2',model_kwargs={'device': 'cpu'})
 
     vector_store=FAISS.from_documents(text_chunks, embeddings)