tweaks

csst_common/fits.py

@@ -11,8 +11,8 @@ Modified-History:
 import io
 import os.path
 
-from astropy.io.fits import *
 from astropy.io import fits as astropy_fits
+from astropy.io.fits import *
 from csst_fs.s3_config import load_s3_options
 
 s3_options = load_s3_options()