Update app.py

app.py

@@ -6,8 +6,8 @@ from gtts import gTTS
 import tempfile
 
 # Set up Groq API key
-os.environ['GROQ_API_KEY'] = 'GROQ_API-KEY'
-groq_client = Groq(api_key=os.environ.get('GROQ_API_KEY'))
+groq_api_key = os.getenv('GROQ_API_KEY')
+groq_client = Groq(api_key=groq_api_key)
 
 # Load Whisper model
 whisper_model = whisper.load_model("base")