Wrap cast to uint8 to ignore invalid warnings.

lsst · Aug 28, 2023 · 1918b8c · 1918b8c
1 parent a35e63b
commit 1918b8c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/python/lsst/pipe/tasks/hips.py b/python/lsst/pipe/tasks/hips.py
@@ -1152,7 +1152,9 @@ def _write_hips_image(self, hips_base_path, order, pixel, image, png_mapping, sh
 
         # And make a grayscale png as well
 
-        vals = 255 - png_mapping.map_intensity_to_uint8(image.array).astype(np.uint8)
+        with np.errstate(invalid="ignore"):
+            vals = 255 - png_mapping.map_intensity_to_uint8(image.array).astype(np.uint8)
+
         vals[~np.isfinite(image.array) | (image.array < 0)] = 0
         im = Image.fromarray(vals[::-1, :], "L")