Update app.py

app.py

@@ -83,11 +83,12 @@ class ChatDocumentQA:
         Returns:
             List[str]: List of smaller text chunks.
         """
-        text_splitter = CharacterTextSplitter(separator="\n", chunk_size=500, chunk_overlap=100, length_function=len)
+        text_splitter = CharacterTextSplitter(separator="\n", chunk_size=6000, chunk_overlap=0, length_function=len)
 
         chunks = text_splitter.split_documents(text)
 
         return chunks
+        
     def _create_vector_store_from_text_chunks(self, text_chunks: List[str]) -> FAISS:
         """Create a vector store from text chunks.
 
@@ -211,7 +212,7 @@ class ChatDocumentQA:
 
     def create_agent_chain_for_csv_qa(self,memory,tools,prompt):
 
-        llm_chain = LLMChain(llm=AzureChatOpenAI(azure_deployment = "ChatGPT"), prompt=prompt)
+        llm_chain = LLMChain(llm=AzureChatOpenAI(azure_deployment = "GPT-4"), prompt=prompt)
         agent = ZeroShotAgent(llm_chain=llm_chain, tools=tools, verbose=True)
         agent_chain = AgentExecutor.from_agent_and_tools(
             agent=agent, tools=tools, verbose=True, memory=memory