Update app.py

app.py

@@ -42,7 +42,7 @@ def pdf_to_text(pdf_file, query):
 
   index = VectorstoreIndexCreator(    
     embedding=HuggingFaceEmbeddings(),
-    text_splitter=  text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0).from_loaders(loaders))
+    text_splitter= CharacterTextSplitter(chunk_size=1000, chunk_overlap=0).from_loaders(loaders))
     #inference
   qa = VectorDBQA.from_chain_type(llm=llm, chain_type="stuff", vectorstore=vectorstore)
   from langchain.chains import RetrievalQA