Update app.py

app.py

@@ -7,6 +7,7 @@ import pdf2image
 import tempfile
 from langchain_groq import ChatGroq
 import re
+import os
 
 # Initialize OCR reader
 reader = easyocr.Reader(['en'])
@@ -14,7 +15,7 @@ reader = easyocr.Reader(['en'])
 # Initialize LLM
 llm = ChatGroq(
     temperature=0,
-    groq_api_key= groq_api_key,
+    groq_api_key= os.getenv("GROQ_API_KEY"),,
     model_name="llama-3.3-70b-versatile"
 )