[x3d-public] X3D Python pyjnius API/Pipelining serializer problem (similar reported before)

[John Carlson]

A similar error has been reported recently.

processSingleScene.pythonValidation:
     [echo] processSingleScene.python C:\x3d-code\www.web3d.org\x3d\content\examples\X3dForWebAuthors\KelpForestExhibit\HalfMoonPrototype.future.py
     [echo] Loading X3D model as .py program, if successful then saving as round-trip .x3d version:
     [exec] Traceback (most recent call last):
     [exec]   File "C:\x3d-code\www.web3d.org\x3d\content\examples\X3dForWebAuthors\KelpForestExhibit\HalfMoonPrototype.future.py", line 118, in <module>
     [exec]     .setProtoField(SFString("fishScale")) \
     [exec] AttributeError: 'org.web3d.x3d.jsail.X3DConcreteNode' object has no attribute 'addChild'
     [exec] Result: 1
     [echo] =====================

Also:

processSingleScene.pythonValidation:
     [echo] processSingleScene.python C:\x3d-code\www.web3d.org\x3d\content\examples\X3dForWebAuthors\KelpForestExhibit\KelpPrototype.future.py
     [echo] Loading X3D model as .py program, if successful then saving as round-trip .x3d version:
     [exec] Traceback (most recent call last):
     [exec]   File "C:\x3d-code\www.web3d.org\x3d\content\examples\X3dForWebAuthors\KelpForestExhibit\KelpPrototype.future.py", line 242, in <module>
     [exec]     .setProtoField(SFString("frontSideBladeHeight")) \
     [exec] AttributeError: 'org.web3d.x3d.jsail.X3DConcreteNode' object has no attribute 'addChild'
     [exec] Result: 1
     [echo] =====================
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