fix aggregator import

Author: Jammy2211

autolens/aggregator/__init__.py

@@ -27,6 +27,9 @@
 from autolens.aggregator.subplot import SubplotFitX1Plane as subplot_fit_x1_plane
 from autolens.aggregator.subplot import SubplotFit as subplot_fit
 from autolens.aggregator.subplot import SubplotFitLog10 as subplot_fit_log10
+from autolens.aggregator.subplot import (
+    FITSGalaxyImages as fits_galaxy_images,
+)
 from autolens.aggregator.subplot import (
     FITSModelGalaxyImages as fits_model_galaxy_images,
 )