Update app.py

app.py

@@ -37,8 +37,7 @@ def pdf_changes(pdf_doc):
     return "Ready"
 
 def book_changes(book):
-
-    db = torch.load(book, map_location='cpu')
+    db = torch.load(book, map_location=torch.device('cpu'))
     llm=HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature":1, "max_length":1000000})
     global qa 
     qa = RetrievalQA.from_chain_type(llm=llm, chain_type="stuff",  retriever=db.as_retriever(search_kwargs={"k": 3}))