Update app.py

app.py

@@ -9,7 +9,7 @@ st.title('Video Summary Interface')
 
 from twelvelabs import TwelveLabs
 
-client = TwelveLabs(api_key=os.getenv('TL_API_KEY'))
+client = TwelveLabs(api_key=os.environ.ge('TL_API_KEY'))
 
 # Creating tabs, 
 tab1, tab2, tab3, tab4, tab5 = st.tabs(["Project Description", "Video Uploader", "Video Indexer", "Video Prompt", "Unique Value Add"])