Merge pull request #212 from lsst/tickets/DM-35008

DM-35008: Check whether the mask is present before asking for it
lsst · Jun 1, 2022 · 226e1bc · 226e1bc
2 parents 5b499d1 + d6bafc0
commit 226e1bc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/python/lsst/meas/base/noiseReplacer.py b/python/lsst/meas/base/noiseReplacer.py
@@ -153,12 +153,12 @@ def __init__(self, config, exposure, footprints, noiseImage=None, exposureId=Non
         self.removeplanes = []
         bitmasks = []
         for maskname in ['THISDET', 'OTHERDET']:
-            try:
+            if maskname in mask.getMaskPlaneDict():
                 # does it already exist?
                 plane = mask.getMaskPlane(maskname)
                 if self.log:
                     self.log.debug('Mask plane "%s" already existed', maskname)
-            except Exception:
+            else:
                 # if not, add it; we should delete it when done.
                 plane = mask.addMaskPlane(maskname)
                 self.removeplanes.append(maskname)