Update app.py

app.py

@@ -9,7 +9,7 @@ import tempfile
 import os
 import speech_recognition as sr
 
-openai.api_key = "sk-..."  # Replace with your real key
+openai.api_key = os.getenv("OPENAI_API_KEY") 
 
 # Load embedding model
 embed_model = SentenceTransformer("all-MiniLM-L6-v2")