Update app.py

app.py

@@ -1,10 +1,11 @@
 import gradio as gr
 import openai
 import langdetect as detect
+import os
 
 
 # Set up OpenAI API with custom Groq endpoint
-openai.api_key = "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"
+openai.api_key = os.getenv("PrepBuddy_API_KEY")
 openai.api_base = "https://api.groq.com/openai/v1"
 
 # Function to get the Groq model's response