# Make a constraint to keep the length
#=========================================================================
aDocument.startOperation()
-aConstraint = aDocument.addFeature("SketchConstraintLength")
-aSketchReflist.append(aConstraint)
-aConstraintData = aConstraint.data()
+aCoincidenceConstraint = aDocument.addFeature("SketchConstraintLength")
+aSketchReflist.append(aCoincidenceConstraint)
+aConstraintData = aCoincidenceConstraint.data()
aLength = aConstraintData.real("ConstraintValue")
refattrA = aConstraintData.refattr("ConstraintEntityA")
assert (not aLength.isInitialized())