Update app.py

app.py

@@ -22,7 +22,7 @@ def get_pdf_text(pdf_docs):
 def get_text_chunks(text):
     text_splitter = CharacterTextSplitter(
         separator="\n",
-        chunk_size=1000,
+        chunk_size=512,
         chunk_overlap=200,
         length_function=len
     )
@@ -39,7 +39,7 @@ def get_vectorstore(text_chunks):
 
 def get_conversation_chain(vectorstore):
     #llm = ChatOpenAI()
-    llm = HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature":0.5, "max_length":1024})
+    llm = HuggingFaceHub(repo_id="google/flan-t5-xxl", model_kwargs={"temperature":0.5, "max_length":512})
 
     memory = ConversationBufferMemory(
         memory_key='chat_history', return_messages=True)