add missing autocast invocation for SoNode param in SoCallbackActionPythonCB(). override getMaterial() to return a tuple for method's out parameters. reported by Oeystein Handegard.
add missing autocast invocation for SoNode param in SoCallbackActionPythonCB().
override getMaterial() to return a tuple for method's out parameters.
reported by Oeystein Handegard.

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