BUG: fix a spurious warning when calling sigma_clipped_stats on a Mas…

…kedColumn
astropy · Jan 10, 2024 · 2ef42eb · 2ef42eb
1 parent 4d90fda
commit 2ef42eb
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/astropy/stats/sigma_clipping.py b/astropy/stats/sigma_clipping.py
@@ -429,7 +429,7 @@ def _sigmaclip_noaxis(self, data, masked=True, return_bounds=False, copy=True):
 
         # remove masked values and convert to ndarray
         if isinstance(filtered_data, np.ma.MaskedArray):
-            filtered_data = filtered_data.data[~filtered_data.mask]
+            filtered_data = filtered_data._data[~filtered_data.mask]
 
         # remove invalid values
         good_mask = np.isfinite(filtered_data)

diff --git a/docs/changes/stats/15844.bugfix.rst b/docs/changes/stats/15844.bugfix.rst
@@ -0,0 +1 @@
+Fix a spurious warning when calling ``sigma_clipped_stats`` on a ``MaskedColumn``.