set flag copy=False in some calls to numpy.array() in ImUtil.py and Centroid.py

Author: SDSS Meeting

python/Centroid.py

@@ -664,4 +664,4 @@ def conditionArr(arr, desType):
 
     Warning: does not copy the data unless necessary.
     """
-    return numpy.array(arr, dtype=desType, order="C")
+    return numpy.array(arr, dtype=desType, order="C", copy=False)

python/ImUtil.py

@@ -187,7 +187,7 @@ def __init__(
         desBegInd,
         desEndInd,
     ):
-        self.dataArr = numpy.array(dataArr)
+        self.dataArr = numpy.array(dataArr, copy=False)
         #print("SubFrame(data%s, desBegInd=%s, desEndInd=%s)" % (self.dataArr.shape, desBegInd, desEndInd))
 
         # round desired i,j index (just in case)