Update app.py

app.py

@@ -53,10 +53,10 @@ from datetime import datetime
 
 #====================================SETUP=====================================#
 # Fetch secrets from Hugging Face Spaces
-api_key = os.environ["API_KEY"]
-endpoint = os.environ["OPENAI_API_BASE"]
-llama_api_key = os.environ['GROQ_API_KEY']
-MEM0_api_key = os.environ['mem0']
+api_key = os.getenv("API_KEY")
+endpoint = os.getenv("OPENAI_API_BASE")
+llama_api_key = os.getenv('GROQ_API_KEY')
+MEM0_api_key = os.getenv('mem0')
 
 # Initialize the OpenAI embedding function for Chroma
 embedding_function = chromadb.utils.embedding_functions.OpenAIEmbeddingFunction(