Fix infinite recursion in SoBaseKit #85 #86
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This PR detects when the
'this'attribute is requested fromSoBaseKitand returns theSoNodeimplementation.Currently
SoBaseKit.__getattr__()callsSoBaseKit_getNodekitCatalog()unconditionally, howeverSoBaseKit_getNodekitCatalogitself results in a request for the'this'attribute, leading to infinite recursion. At the moment this error is handled silently upstream, but can present an issue when using debuggers such as debugpy (#85). This fix handles the'this'attribute before this happens.