Update app_config.py

app_config.py

@@ -6,6 +6,11 @@ from langchain.document_loaders import PyPDFLoader
 from langchain.memory import ConversationSummaryBufferMemory
 from langchain_groq import ChatGroq
 import os
+from dotenv import load_dotenv
+
+
+# Load environment variables from .env file
+load_dotenv()
 tokenizer = tiktoken.get_encoding('cl100k_base')
 FILE_NAMEs  = os.listdir('data')
 
@@ -76,7 +81,7 @@ def get_vectorstore():
     return vectorstore
 
 
-chat = ChatGroq(temperature=0, groq_api_key="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", model_name="llama3-8b-8192", streaming=True)
+chat = ChatGroq(temperature=0, groq_api_key=os.getenv("GROQ_API_KEY"), model_name="llama3-8b-8192", streaming=True)
 rag_memory = ConversationSummaryBufferMemory(llm=chat, max_token_limit=3000)
 
 my_vector_store = get_vectorstore()