Update app.py

app.py

@@ -1,3 +1,4 @@
+import os
 import random
 import gradio as gr
 from langchain_community.document_loaders import PyPDFLoader
@@ -70,7 +71,7 @@ def generate_response(query, history, model, temperature, max_tokens, top_p, see
     if seed == 0:
         seed = random.randint(1, 100000)
         
-    llm = ChatGroq(groq_api_key=userdata.get('GROQ_API_KEY'), model=model)
+    llm = ChatGroq(groq_api_key=os.environ.get("GROQ_API_KEY"), model=model)
 
     custom_rag_prompt = PromptTemplate.from_template(template)