Update app.py

app.py

@@ -2,9 +2,15 @@ import streamlit as st
 from docx import Document
 from openai import OpenAI
 import io
+import os
 
 # Initialize OpenAI client
-client = OpenAI(api_key="YOUR_OPENAI_API_KEY")  # Replace with your OpenAI API key
+api_key = os.getenv("OPENAI_API_KEY")  # Read API key from environment variable
+if not api_key:
+    st.error("OpenAI API key not found. Please set the OPENAI_API_KEY environment variable.")
+    st.stop()
+
+client = OpenAI(api_key=api_key)
 
 # Department and Role mapping
 DEPARTMENT_ROLES = {