diff -ur APLpy-2.0.3/aplpy/core.py APLpy-2.0.3.astr/aplpy/core.py
--- APLpy-2.0.3/aplpy/core.py	2019-02-19 12:42:15.000000000 +0100
+++ APLpy-2.0.3.astr/aplpy/core.py	2022-02-17 01:26:12.893457814 +0100
@@ -17,7 +17,7 @@
 from astropy.wcs import WCS
 from astropy.wcs.utils import proj_plane_pixel_scales
 from astropy.io import fits
-from astropy.nddata.utils import block_reduce
+from astropy.nddata import block_reduce
 from astropy.visualization import AsymmetricPercentileInterval
 from astropy.visualization.wcsaxes import WCSAxes, WCSAxesSubplot
 from astropy.coordinates import ICRS