Update app.py

app.py

@@ -567,7 +567,7 @@ def process_aggregation(locations_df, start_date_str, end_date_str, dataset_id,
 
 # Streamlit App Logic
 st.markdown("<h5>Image Collection</h5>", unsafe_allow_html=True)
-imagery_base = st.selectbox("Select Imagery Base", ["Sentinel", "Landsat", "MODIS", "Custom Input"], index=0)
+imagery_base = st.selectbox("Select Imagery Base", ["Sentinel", "Landsat", "MODIS", "VIIRS", "Custom Input"], index=0)
 
 # Initialize data as an empty dictionary
 data = {}