Update app.py

app.py

@@ -5,14 +5,14 @@ from IPython.display import Image, display, HTML
 from PIL import Image
 import base64 
 
-hf_api_key = os.environ.getattribute("HF_API_KEY")
+hf_api_key = os.environ.__getattribute__("HF_API_KEY")
 
 
 # Helper function
 import requests, json
 
 #Summarization endpoint
-def get_completion(inputs, parameters=None,ENDPOINT_URL= os.environ.getattribute("API_URL")): 
+def get_completion(inputs, parameters=None,ENDPOINT_URL= os.environ.__getattribute__("API_URL")): 
     headers = {
       "Authorization": f"Bearer {hf_api_key}",
       "Content-Type": "application/json"