Update app.py

app.py

@@ -4,7 +4,7 @@ import PyPDF2
 from groq import Groq
 
 # Set up your Groq client
-client = Groq(api_key="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")
+client = Groq(api_key=os.getenv("GROQ_API_KEY"))
 
 # Function to extract text from a PDF
 def extract_text_from_pdf(pdf_file):