Merge pull request #416 from lsst/tickets/DM-51005

DM-51005: Turn off overscan-level-checking by default.

Author: erykoff

python/lsst/ip/isr/isrTaskLSST.py

@@ -245,7 +245,7 @@ class IsrTaskLSSTConfig(pipeBase.PipelineTaskConfig,
 
     serialOverscanMedianShiftSigmaThreshold = pexConfig.Field(
         dtype=float,
-        default=100.0,
+        default=numpy.inf,
         doc="Number of sigma difference from per-amp overscan median (as compared to PTC) to "
             "check if an amp is in a different state than the baseline PTC calib and should "
             "be marked BAD. Set to np.inf/np.nan to turn off overscan median checking.",

tests/test_isrTaskLSST.py

@@ -1816,6 +1816,7 @@ def test_changedOverscanAmps(self):
         isr_config.doFlat = False
         isr_config.doDefect = True
         isr_config.doInterpolate = False
+        isr_config.serialOverscanMedianShiftSigmaThreshold = 100.0
 
         isr_task = IsrTaskLSST(config=isr_config)
         with self.assertLogs(level=logging.WARNING) as cm: