Update app.py

app.py

@@ -62,7 +62,7 @@ def fetch_file_from_s3_file(file_key):
 
 # Function to summarize text using OpenAI GPT
 def summarize_text(text):
-    system_prompt = "You are a helpful assistant that summarizes extracted OCR text into JSON format always"
+    system_prompt = "You are a helpful assistant that summarizes extracted OCR text into JSON format always. please ensure json format header level and lineitem level. should not provide nested one."
     try:
         response = openai.ChatCompletion.create(
             model="gpt-4o-mini",