update

csst_ifs_sim/csst_ifs_sim.py

@@ -124,7 +124,7 @@ conf.auto_max_age = None
 from scipy.integrate import simps
 import pandas as pd
 from datetime import datetime, timedelta
-import julian
+###import julian
 from astropy.coordinates import get_sun
 from astropy.time import Time
 from astropy import units as u