Update app.py

app.py

@@ -13,7 +13,11 @@ from faster_whisper import WhisperModel
 from pathlib import Path
 from pydub import AudioSegment
 
-# ------------------------
+# Load environment variable for GROQ API KEY
+GROQ_API_KEY = os.environ.get ("GROQ_API_KEY") 
+if not GROQ_API_KEY:
+    raise ValueError("please set the GROQ_API_KEY environment variable")
+# --------------------.get ()----
 # Initialize session history & flags
 # ------------------------
 if "history" not in st.session_state: